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conversion or distribution of electric power (229185) 229185
electricity (229185) 229185
generation (229185) 229185
boards, substations, or switching arrangements for the supplyor distribution of electric power (229156) 229156
basic electric elements (47204) 47204
electric switches (28905) 28905
emergency protective devices (28905) 28905
relays (28905) 28905
selectors (28905) 28905
installation of electric cables or lines, or of combinedoptical and electric cables or lines (19522) 19522
electric techniques not otherwise provided for (17966) 17966
casings or constructional details of electric apparatus (17309) 17309
manufacture of assemblages of electrical components (17309) 17309
printed circuits (17309) 17309
physics (16162) 16162
current collectors (12413) 12413
line connectors (12413) 12413
circuit arrangements or systems for supplying or distributingelectric power (8921) 8921
systems for storing electric energy (8921) 8921
blasting (8457) 8457
heating (8457) 8457
lighting (8457) 8457
mechanical engineering (8457) 8457
weapons (8457) 8457
performing operations (8262) 8262
transporting (8262) 8262
measuring (7889) 7889
testing (7889) 7889
fixed constructions (7022) 7022
measuring electric variables (5757) 5757
measuring magnetic variables (5757) 5757
general tagging of cross-sectional technologies spanning over several sections of the ipc (5247) 5247
general tagging of new technological developments (5247) 5247
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (5247) 5247
engineering elements and units (4810) 4810
general measures for producing and maintaining effectivefunctioning of machines or installations (4810) 4810
thermal insulation in general (4810) 4810
inductances (4678) 4678
magnets (4678) 4678
selection of materials for their magnetic properties (4678) 4678
transformers (4678) 4678
emergency protective circuit arrangements (4453) 4453
human necessities (4331) 4331
keys (4058) 4058
locks (4058) 4058
safes (4058) 4058
window or door fittings (4058) 4058
technical subjects covered by former uspc (3649) 3649
cables (3414) 3414
conductors (3414) 3414
insulators (3414) 3414
selection of materials for their conductive, insulating ordielectric properties (3414) 3414
electric communication technique (2989) 2989
technical subjects covered by former us classification (2806) 2806
controlling (2493) 2493
regulating (2493) 2493
devices for fastening or securing constructional elements ormachine parts together, e.g. nails, bolts, circlips, clamps,clips, wedges, joints or jointing (2464) 2464
signalling (2437) 2437
coffee mills (2253) 2253
domestic articles or appliances (2253) 2253
furniture (2253) 2253
spice mills (2253) 2253
suction cleaners in general (2253) 2253
calculating (2212) 2212
computing (2212) 2212
counting (2212) 2212
accessories therefor (2049) 2049
alarm systems (2041) 2041
order telegraphs (2041) 2041
signalling or calling systems (2041) 2041
vehicles in general (2017) 2017
handcuffs (2000) 2000
cabinets (1978) 1978
desks (1978) 1978
drawers (1978) 1978
general details of furniture (1978) 1978
office furniture (1978) 1978
tables (1978) 1978
building (1804) 1804
electric digital data processing (1755) 1755
technologies or applications for mitigation or adaptation againstclimate change (1530) 1530
fire-fighting (1397) 1397
life-saving (1397) 1397
bolts or fastening devices for wings, specially for doors orwindows (1362) 1362
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 (1356) 1356
control or regulation thereof (1356) 1356
conversion of dc or ac input power into surge outputpower (1356) 1356
selecting (1343) 1343
control or regulating systems in general (1245) 1245
functional elements of such systems (1245) 1245
monitoring or testing arrangements for such systems orelements (1245) 1245
hauling (1201) 1201
hoisting (1201) 1201
lifting (1201) 1201
buildings or like structures for particular purposes (1111) 1111
fencing (1111) 1111
masts (1111) 1111
swimming or splash baths or pools (1111) 1111
tents or canopies, in general (1111) 1111
advertising (1100) 1100
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Language Language
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English (182060) 182060
Chinese (88913) 88913
German (27565) 27565
French (20452) 20452
Korean (6691) 6691
Spanish (4118) 4118
Japanese (3461) 3461
Russian (1898) 1898
Portuguese (1420) 1420
Italian (1159) 1159
Swedish (943) 943
Polish (623) 623
Norwegian (580) 580
Danish (546) 546
Finnish (535) 535
Dutch (475) 475
Czech (190) 190
Turkish (160) 160
Hungarian (118) 118
Ukrainian (96) 96
Romanian (70) 70
Indonesian (41) 41
Slovenian (37) 37
Slovak (27) 27
Greek (26) 26
Bulgarian (23) 23
Arabic (17) 17
Lithuanian (15) 15
Croatian (13) 13
Estonian (11) 11
Hebrew (11) 11
Serbian (9) 9
Icelandic (5) 5
Latvian (4) 4
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