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chemistry (285203) 285203
metallurgy (285200) 285200
apparatus therefor (285197) 285197
electrolytic or electrophoretic processes (285197) 285197
electroforming (275956) 275956
processes for the electrolytic or electrophoretic productionof coatings (275956) 275956
electricity (66435) 66435
performing operations (63779) 63779
transporting (63779) 63779
chemical surface treatment (60055) 60055
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (60055) 60055
coating material with metallic material (60055) 60055
coating metallic material (60055) 60055
diffusion treatment of metallic material (60055) 60055
inhibiting corrosion of metallic material or incrustation ingeneral (60055) 60055
coating by vacuum evaporation, by sputtering, by ionimplantation or by chemical vapour deposition, in general (50770) 50770
surface treatment of metallic material by diffusion into thesurface, by chemical conversion or substitution (50770) 50770
basic electric elements (48021) 48021
general tagging of cross-sectional technologies spanning over several sections of the ipc (33053) 33053
general tagging of new technological developments (33053) 33053
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (33053) 33053
technical subjects covered by former uspc (26695) 26695
electric solid state devices not otherwise provided for (24487) 24487
semiconductor devices (24487) 24487
electric techniques not otherwise provided for (24178) 24178
casings or constructional details of electric apparatus (23175) 23175
manufacture of assemblages of electrical components (23175) 23175
printed circuits (23175) 23175
technical subjects covered by former us classification (22074) 22074
physics (17925) 17925
electrolytic or electrophoretic processes for the productionof compounds or non-metals (15538) 15538
ferrous or non-ferrous alloys (14303) 14303
treatment of alloys or non-ferrous metals (14303) 14303
layered products (13750) 13750
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (13750) 13750
adhesives (12835) 12835
dyes (12835) 12835
miscellaneous applications of materials (12835) 12835
miscellaneous compositions (12835) 12835
natural resins (12835) 12835
paints (12835) 12835
polishes (12835) 12835
applying liquids or other fluent materials to surfaces, in general (12298) 12298
spraying or atomising in general (12298) 12298
alloys (12078) 12078
blasting (12056) 12056
heating (12056) 12056
lighting (12056) 12056
mechanical engineering (12056) 12056
weapons (12056) 12056
chemical paint or ink removers (11066) 11066
coating compositions, e.g. paints, varnishes orlacquers (11066) 11066
correcting fluids (11066) 11066
filling pastes (11066) 11066
inks (11066) 11066
pastes or solids for colouring or printing (11066) 11066
use of materials therefor (11066) 11066
woodstains (11066) 11066
processes for applying liquids or other fluent materials tosurfaces, in general (9667) 9667
processes or means, e.g. batteries, for the direct conversionof chemical into electrical energy (9476) 9476
compositions based thereon (8847) 8847
organic macromolecular compounds (8847) 8847
their preparation or chemical working-up (8847) 8847
technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (8738) 8738
multi-step processes for surface treatment of metallicmaterial involving at least one process provided for in classc23 and at least oneprocess covered by subclass c21d or c22f or class c25 (8700) 8700
non-mechanical removal of metallic material from surface (8700) 8700
processes for the electrolytic removal of materials fromobjects (8605) 8605
physical or chemical processes or apparatus in general (8155) 8155
technologies or applications for mitigation or adaptation againstclimate change (7842) 7842
machine tools (7277) 7277
metal-working not otherwise provided for (7277) 7277
processes for the electrolytic production, recovery orrefining of metals (6403) 6403
human necessities (6221) 6221
measuring (5814) 5814
testing (5814) 5814
engineering elements and units (5698) 5698
general measures for producing and maintaining effectivefunctioning of machines or installations (5698) 5698
thermal insulation in general (5698) 5698
cleaning or degreasing of metallic material by chemicalmethods other than electrolysis (5326) 5326
cables (4909) 4909
conductors (4909) 4909
insulators (4909) 4909
selection of materials for their conductive, insulating ordielectric properties (4909) 4909
mechanical metal-working without essentially removingmaterial (4685) 4685
punching metal (4685) 4685
working of plastics (4628) 4628
working of substances in a plastic state, in general (4628) 4628
conveying (4562) 4562
handling thin or filamentary material (4562) 4562
packing (4562) 4562
storing (4562) 4562
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (4527) 4527
inorganic chemistry (4466) 4466
casting (4372) 4372
powder metallurgy (4372) 4372
chemical or physical processes, e.g. catalysis or colloidchemistry (4345) 4345
their relevant apparatus (4345) 4345
after-treatment of the shaped products, e.g. repairing (4279) 4279
shaping of material in a plastic state, not otherwise providedfor (4279) 4279
shaping or joining of plastics (4279) 4279
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English (237294) 237294
Chinese (47035) 47035
French (36971) 36971
German (33539) 33539
Korean (12522) 12522
Japanese (10382) 10382
Spanish (4259) 4259
Russian (4116) 4116
Portuguese (1971) 1971
Italian (1408) 1408
Dutch (1224) 1224
Swedish (1107) 1107
Norwegian (728) 728
Danish (672) 672
Polish (645) 645
Finnish (621) 621
Romanian (455) 455
Ukrainian (225) 225
Czech (147) 147
Hungarian (114) 114
Turkish (103) 103
Bulgarian (95) 95
Slovak (42) 42
Slovenian (42) 42
Hebrew (39) 39
Serbian (33) 33
Indonesian (31) 31
Icelandic (26) 26
Lithuanian (20) 20
Greek (18) 18
Latvian (12) 12
Moldavian (12) 12
Arabic (11) 11
Croatian (10) 10
Estonian (7) 7
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