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Patent (1328350) 1328350
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Conference Proceeding (127346) 127346
Newspaper Article (95877) 95877
Newsletter (29681) 29681
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Book / eBook (3959) 3959
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Reference (154) 154
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electricity (1270450) 1270450
generation (1133805) 1133805
conversion or distribution of electric power (1133768) 1133768
circuit arrangements or systems for supplying or distributingelectric power (786835) 786835
systems for storing electric energy (786835) 786835
physics (357512) 357512
emergency protective circuit arrangements (301778) 301778
basic electric elements (274093) 274093
electric techniques not otherwise provided for (197541) 197541
printed circuits (177406) 177406
transporting (174690) 174690
performing operations (174673) 174673
casings or constructional details of electric apparatus (166516) 166516
manufacture of assemblages of electrical components (166516) 166516
apparatus for conversion between ac and ac, between ac and dc,or between dc and dc, and for use with mains or similar powersupply systems (127869) 127869
control or regulation thereof (127869) 127869
conversion of dc or ac input power into surge outputpower (127869) 127869
vehicles in general (123960) 123960
testing (115306) 115306
measuring (109722) 109722
integrated circuits (104287) 104287
processes or means, e.g. batteries, for the direct conversionof chemical into electrical energy (101670) 101670
general tagging of cross-sectional technologies spanning over several sections of the ipc (101342) 101342
general tagging of new technological developments (101342) 101342
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (101342) 101342
electric communication technique (97845) 97845
science & technology (96194) 96194
counting (88924) 88924
computing (88684) 88684
calculating (88645) 88645
measuring electric variables (85513) 85513
measuring magnetic variables (85513) 85513
technology (84811) 84811
cryptography (82163) 82163
education (81620) 81620
display (81042) 81042
technologies or applications for mitigation or adaptation againstclimate change (80991) 80991
advertising (80905) 80905
seals (80818) 80818
engineering (76556) 76556
circuits (76120) 76120
arrangements or circuits for control of indicating devicesusing static means to present variable information (75380) 75380
lighting (74907) 74907
mechanical engineering (74333) 74333
heating (73980) 73980
weapons (72728) 72728
blasting (72433) 72433
electric equipment or propulsion of electrically-propelledvehicles (71976) 71976
electrodynamic brake systems for vehicles, in general (71976) 71976
magnetic suspension or levitation for vehicles (71976) 71976
basic electronic circuitry (66430) 66430
electric digital data processing (65093) 65093
engineering, electrical & electronic (64564) 64564
semiconductor devices (63934) 63934
electric solid state devices not otherwise provided for (59010) 59010
controlling (58752) 58752
regulating (58749) 58749
electronics (50305) 50305
exact sciences and technology (48732) 48732
control or regulation of electric motors, electric generatorsor dynamo-electric converters (47226) 47226
controlling transformers, reactors or choke coils (47226) 47226
applied sciences (46956) 46956
inventors (41961) 41961
transmission (40752) 40752
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (39778) 39778
transformers (38836) 38836
relays (38229) 38229
voltage (36888) 36888
selectors (35542) 35542
electric switches (35515) 35515
emergency protective devices (35500) 35500
systems for regulating electric or magnetic variables (34390) 34390
magnets (34384) 34384
human necessities (34261) 34261
inductances (33896) 33896
selection of materials for their magnetic properties (33890) 33890
optics (31748) 31748
current collectors (31317) 31317
line connectors (31313) 31313
installation of electric cables or lines, or of combinedoptical and electric cables or lines (30776) 30776
vehicles, vehicle fittings, or vehicle parts, not otherwiseprovided for (30361) 30361
electric heating (29947) 29947
electric lighting not otherwise provided for (29918) 29918
boards, substations, or switching arrangements for the supplyor distribution of electric power (29384) 29384
capacitors (28736) 28736
physical sciences (28531) 28531
switches (27299) 27299
circuit components (27197) 27197
intellectual property (25850) 25850
pulse technique (25773) 25773
resonators (25491) 25491
transistors (25184) 25184
semiconductor chips (25154) 25154
electric, optical and optoelectronic circuits (24931) 24931
impedance networks, e.g. resonant circuits (24306) 24306
dynamo-electric machines (23665) 23665
circuit properties (23546) 23546
climate change mitigation technologies related totransportation (22900) 22900
signalling (22490) 22490
semiconductors (21572) 21572
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Library Location Library Location
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Engineering & Comp. Sci. - Stacks (1169) 1169
Online Resources - Online (741) 741
Collection Dvlpm't (Acquisitions) - Vendor file (329) 329
UTL at Downsview - May be requested (193) 193
Collection Dvlpm't (Acquisitions) - Closed Orders (127) 127
Gerstein Science - Stacks (80) 80
Engineering & Comp. Sci. - Missing (40) 40
UofT at Mississauga - Stacks (30) 30
Robarts - Stacks (26) 26
Engineering & Comp. Sci. - May be requested in 6-10 wks (19) 19
UofT at Scarborough - Stacks (18) 18
Physics - Stacks (16) 16
Aerospace - Stacks (12) 12
Mathematical Sciences - Stacks (10) 10
Astronomy & Astrophysics - Ask at library (9) 9
Engineering & Comp. Sci. - Periodical Stacks (9) 9
Media Commons - Audio Visual (4) 4
Collection Dvlpm't (Acquisitions) - Cancelled Order (3) 3
Engineering & Comp. Sci. - Not Returned (3) 3
Engineering & Comp. Sci. - Searching (3) 3
Mathematical Sciences - Circulation Desk (3) 3
Physics - Circulation Desk (3) 3
St. Michael's College (John M. Kelly) - 2nd Floor (3) 3
Chemistry (A D Allen) - Stacks (2) 2
Criminology - Stacks (2) 2
Holland Bloorview Kids Rehabilitation - Stacks (2) 2
Law (Bora Laskin) - Stacks (2) 2
OISE - Curriculum Resources (2) 2
OISE - Ontario Historical Ed (2) 2
OISE - Stacks (2) 2
Physics - Storage (2) 2
University College (Laidlaw) - Stacks (2) 2
UofT at Mississauga - Missing (2) 2
Business (Joseph L Rotman) - Stacks (1) 1
Engineering & Comp. Sci. - Reference (1) 1
Engineering & Comp. Sci. - Special Collections (1) 1
Faculty of Information - Stacks (1) 1
Gerstein Science - Searching (1) 1
Indust. Rel's & Hum. Resources (Newman) - Stacks (1) 1
Robarts - Not Returned (1) 1
Royal Ontario Museum - Far Eastern (1) 1
Royal Ontario Museum - Stacks (1) 1
St. Michael's College (John M. Kelly) - Audio Visual (1) 1
Trinity College (John W Graham) - Stacks (1) 1
United Church of Canada Archives - Reference (1) 1
UofT Schools - Stacks (1) 1
UofT at Scarborough - May be requested in 6-10 wks (1) 1
Victoria University E.J. Pratt - Stacks (1) 1
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English (1601816) 1601816
Chinese (376640) 376640
French (170506) 170506
German (136331) 136331
Japanese (69985) 69985
Korean (57776) 57776
Russian (15015) 15015
Spanish (9172) 9172
Portuguese (5701) 5701
Swedish (3853) 3853
Finnish (2116) 2116
Danish (2087) 2087
Italian (2013) 2013
Polish (1874) 1874
Norwegian (1357) 1357
Dutch (988) 988
Ukrainian (884) 884
Czech (686) 686
Romanian (683) 683
Hungarian (344) 344
Turkish (336) 336
Slovenian (217) 217
Slovak (154) 154
Bulgarian (151) 151
Greek (131) 131
Croatian (106) 106
Hebrew (97) 97
Indonesian (95) 95
Latvian (93) 93
Serbian (87) 87
Estonian (63) 63
Arabic (58) 58
Lithuanian (52) 52
Icelandic (20) 20
Persian (8) 8
Urdu (4) 4
Bosnian (3) 3
Hindi (3) 3
Moldavian (2) 2
Breton (1) 1
Catalan (1) 1
Chamorro (1) 1
Ndonga (1) 1
Tahitian (1) 1
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