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cladding or plating by soldering or welding (931818) 931818
cutting by applying heat locally, e.g. flame cutting (931818) 931818
machine tools (931818) 931818
metal-working not otherwise provided for (931818) 931818
performing operations (931818) 931818
soldering or unsoldering (931818) 931818
transporting (931818) 931818
welding (931818) 931818
working by laser beam (931818) 931818
electricity (166333) 166333
chemistry (110374) 110374
metallurgy (110374) 110374
basic electric elements (106940) 106940
blasting (76303) 76303
heating (76303) 76303
lighting (76303) 76303
mechanical engineering (76303) 76303
weapons (76303) 76303
general tagging of cross-sectional technologies spanning over several sections of the ipc (74875) 74875
general tagging of new technological developments (74875) 74875
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (74875) 74875
physics (70891) 70891
electric techniques not otherwise provided for (67405) 67405
electric solid state devices not otherwise provided for (61431) 61431
semiconductor devices (61431) 61431
technical subjects covered by former uspc (59962) 59962
technical subjects covered by former us classification (54637) 54637
casings or constructional details of electric apparatus (51886) 51886
manufacture of assemblages of electrical components (51886) 51886
printed circuits (51886) 51886
ferrous or non-ferrous alloys (49367) 49367
treatment of alloys or non-ferrous metals (49367) 49367
mechanical metal-working without essentially removingmaterial (46215) 46215
punching metal (46215) 46215
alloys (46088) 46088
engineering elements and units (29480) 29480
general measures for producing and maintaining effectivefunctioning of machines or installations (29480) 29480
thermal insulation in general (29480) 29480
combined operations (26981) 26981
other working of metal (26981) 26981
universal machine tools (26981) 26981
chemical surface treatment (25499) 25499
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (25499) 25499
coating material with metallic material (25499) 25499
coating metallic material (25499) 25499
diffusion treatment of metallic material (25499) 25499
inhibiting corrosion of metallic material or incrustation ingeneral (25499) 25499
optics (23056) 23056
casting (22941) 22941
powder metallurgy (22941) 22941
measuring (22386) 22386
testing (22386) 22386
working of plastics (22265) 22265
working of substances in a plastic state, in general (22265) 22265
coating by vacuum evaporation, by sputtering, by ionimplantation or by chemical vapour deposition, in general (21786) 21786
surface treatment of metallic material by diffusion into thesurface, by chemical conversion or substitution (21786) 21786
after-treatment of the shaped products, e.g. repairing (21119) 21119
shaping of material in a plastic state, not otherwise providedfor (21119) 21119
shaping or joining of plastics (21119) 21119
working or processing of sheet metal or metal tubes, rods orprofiles without essentially removing material (20921) 20921
layered products (19283) 19283
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (19283) 19283
technologies or applications for mitigation or adaptation againstclimate change (19039) 19039
optical elements, systems, or apparatus (18722) 18722
human necessities (17700) 17700
metallurgy of iron (17129) 17129
general devices for heat treatment of ferrous or non-ferrousmetals or alloys (16329) 16329
making metal malleable by decarburisation, tempering or othertreatments (16329) 16329
modifying the physical structure of ferrous metals (16329) 16329
making metallic powder (16047) 16047
manufacture of articles from metallic powder (16047) 16047
working metallic powder (16047) 16047
hand tools (15970) 15970
manipulators (15970) 15970
portable power-driven tools (15970) 15970
engine plants in general (15445) 15445
machines or engines in general (15445) 15445
steam engines (15445) 15445
auxiliary operations used in connection with metal-workingwithout essentially removing material (14339) 14339
manufacture of metal sheets, wire, rods, tubes or profiles,otherwise than by rolling (14339) 14339
heat exchange in general (14266) 14266
devices using stimulated emission (14194) 14194
combinations or associations of metal-working machines, notdirected to a particular result (14163) 14163
details, components, or accessories for machine tools, e.g.arrangements for copying or controlling (14163) 14163
machine tools in general characterised by the construction ofparticular details or components (14163) 14163
conveying (13931) 13931
handling thin or filamentary material (13931) 13931
packing (13931) 13931
storing (13931) 13931
fixed constructions (13596) 13596
details of heat-exchange and heat-transfer apparatus, ofgeneral application (13366) 13366
controlling (11615) 11615
regulating (11615) 11615
climate change mitigation technologies in the production orprocessing of goods (11473) 11473
glass (11402) 11402
mineral or slag wool (11402) 11402
current collectors (11319) 11319
line connectors (11319) 11319
non-positive displacement machines or engines, e.g. steamturbines (11266) 11266
hygiene (11202) 11202
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English (769337) 769337
Chinese (210032) 210032
German (110555) 110555
French (107188) 107188
Korean (35501) 35501
Japanese (34165) 34165
Russian (18809) 18809
Spanish (10551) 10551
Portuguese (5206) 5206
Italian (4327) 4327
Swedish (3784) 3784
Finnish (2251) 2251
Dutch (2136) 2136
Danish (1991) 1991
Norwegian (1935) 1935
Polish (1693) 1693
Ukrainian (1042) 1042
Romanian (907) 907
Czech (492) 492
Turkish (384) 384
Hungarian (367) 367
Slovenian (210) 210
Bulgarian (170) 170
Slovak (144) 144
Indonesian (77) 77
Greek (67) 67
Serbian (63) 63
Lithuanian (58) 58
Croatian (57) 57
Hebrew (40) 40
Latvian (34) 34
Estonian (28) 28
Arabic (18) 18
Icelandic (11) 11
Moldavian (7) 7
Bosnian (1) 1
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