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chemistry (360344) 360344
general devices for heat treatment of ferrous or non-ferrousmetals or alloys (360344) 360344
making metal malleable by decarburisation, tempering or othertreatments (360344) 360344
metallurgy (360344) 360344
metallurgy of iron (360344) 360344
modifying the physical structure of ferrous metals (360344) 360344
ferrous or non-ferrous alloys (157582) 157582
treatment of alloys or non-ferrous metals (157582) 157582
alloys (146857) 146857
performing operations (110845) 110845
transporting (110845) 110845
mechanical metal-working without essentially removingmaterial (60699) 60699
punching metal (60699) 60699
blasting (52437) 52437
heating (52437) 52437
lighting (52437) 52437
mechanical engineering (52437) 52437
weapons (52437) 52437
chemical surface treatment (46212) 46212
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (46212) 46212
coating material with metallic material (46212) 46212
coating metallic material (46212) 46212
diffusion treatment of metallic material (46212) 46212
inhibiting corrosion of metallic material or incrustation ingeneral (46212) 46212
general tagging of cross-sectional technologies spanning over several sections of the ipc (43008) 43008
general tagging of new technological developments (43008) 43008
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (43008) 43008
coating by vacuum evaporation, by sputtering, by ionimplantation or by chemical vapour deposition, in general (41896) 41896
surface treatment of metallic material by diffusion into thesurface, by chemical conversion or substitution (41896) 41896
electricity (36695) 36695
rolling of metal (35185) 35185
furnaces (26469) 26469
kilns (26469) 26469
ovens (26469) 26469
retorts (26469) 26469
basic electric elements (26289) 26289
technologies or applications for mitigation or adaptation againstclimate change (26173) 26173
climate change mitigation technologies in the production orprocessing of goods (24686) 24686
machine tools (23708) 23708
metal-working not otherwise provided for (23708) 23708
inductances (20501) 20501
magnets (20501) 20501
selection of materials for their magnetic properties (20501) 20501
transformers (20501) 20501
casting (19838) 19838
powder metallurgy (19838) 19838
technical subjects covered by former uspc (18487) 18487
details or accessories of furnaces, kilns, ovens, or retorts,in so far as they are of kinds occurring in more than one kindof furnace (17884) 17884
furnaces, kilns, ovens, or retorts in general (17421) 17421
open sintering or like apparatus (17421) 17421
engineering elements and units (17362) 17362
general measures for producing and maintaining effectivefunctioning of machines or installations (17362) 17362
thermal insulation in general (17362) 17362
cladding or plating by soldering or welding (16329) 16329
cutting by applying heat locally, e.g. flame cutting (16329) 16329
soldering or unsoldering (16329) 16329
welding (16329) 16329
working by laser beam (16329) 16329
changing the physical structure of non-ferrous metals andnon-ferrous alloys (15605) 15605
technical subjects covered by former us classification (15334) 15334
casting of metals (13234) 13234
casting of other substances by the same processes or devices (13234) 13234
working or processing of sheet metal or metal tubes, rods orprofiles without essentially removing material (12540) 12540
auxiliary operations used in connection with metal-workingwithout essentially removing material (11324) 11324
manufacture of metal sheets, wire, rods, tubes or profiles,otherwise than by rolling (11324) 11324
electric techniques not otherwise provided for (10621) 10621
electric heating (9865) 9865
electric lighting not otherwise provided for (9865) 9865
physics (8146) 8146
layered products (7871) 7871
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (7871) 7871
combined operations (7299) 7299
other working of metal (7299) 7299
universal machine tools (7299) 7299
making metallic powder (6416) 6416
manufacture of articles from metallic powder (6416) 6416
working metallic powder (6416) 6416
shafts (6333) 6333
bearings (6208) 6208
elements or crankshaft mechanisms (6208) 6208
flexible shafts (6208) 6208
rotary bodies other than gearing elements (6208) 6208
apparatus therefor (5402) 5402
processing of pig-iron, e.g. refining, manufacture ofwrought-iron or steel (5042) 5042
treatment in molten state of ferrous alloys (5042) 5042
forge furnaces (5034) 5034
forging (5034) 5034
hammering (5034) 5034
pressing metal (5034) 5034
riveting (5034) 5034
electrolytic or electrophoretic processes (4938) 4938
conveying (4784) 4784
handling thin or filamentary material (4784) 4784
packing (4784) 4784
storing (4784) 4784
technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (4591) 4591
grinding (4245) 4245
polishing (4245) 4245
engine plants in general (3941) 3941
machines or engines in general (3941) 3941
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English (297922) 297922
Chinese (69399) 69399
French (46949) 46949
German (42553) 42553
Korean (20042) 20042
Japanese (16313) 16313
Russian (8640) 8640
Spanish (6091) 6091
Portuguese (3915) 3915
Swedish (1701) 1701
Italian (1510) 1510
Polish (968) 968
Finnish (712) 712
Ukrainian (622) 622
Dutch (603) 603
Norwegian (567) 567
Danish (517) 517
Romanian (430) 430
Czech (360) 360
Hungarian (194) 194
Turkish (176) 176
Slovenian (166) 166
Slovak (84) 84
Bulgarian (44) 44
Indonesian (43) 43
Croatian (41) 41
Serbian (33) 33
Hebrew (17) 17
Greek (14) 14
Arabic (13) 13
Lithuanian (13) 13
Icelandic (7) 7
Estonian (5) 5
Latvian (4) 4
Moldavian (2) 2
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