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chemistry (160726) 160726
metallurgy (160726) 160726
chemical surface treatment (160681) 160681
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (160681) 160681
coating material with metallic material (160681) 160681
coating metallic material (160681) 160681
diffusion treatment of metallic material (160681) 160681
inhibiting corrosion of metallic material or incrustation ingeneral (160681) 160681
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 (160639) 160639
non-mechanical removal of metallic material from surface (160639) 160639
electricity (57338) 57338
basic electric elements (49204) 49204
electric solid state devices not otherwise provided for (41150) 41150
semiconductor devices (41150) 41150
performing operations (39380) 39380
transporting (39380) 39380
coating by vacuum evaporation, by sputtering, by ionimplantation or by chemical vapour deposition, in general (28516) 28516
surface treatment of metallic material by diffusion into thesurface, by chemical conversion or substitution (28516) 28516
adhesives (24309) 24309
dyes (24309) 24309
miscellaneous applications of materials (24309) 24309
miscellaneous compositions (24309) 24309
natural resins (24309) 24309
paints (24309) 24309
polishes (24309) 24309
general tagging of cross-sectional technologies spanning over several sections of the ipc (19435) 19435
general tagging of new technological developments (19435) 19435
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (19435) 19435
physics (17571) 17571
electric techniques not otherwise provided for (17497) 17497
materials for miscellaneous applications, not provided forelsewhere (15509) 15509
technical subjects covered by former uspc (14720) 14720
apparatus therefor (13972) 13972
blasting (12276) 12276
heating (12276) 12276
lighting (12276) 12276
mechanical engineering (12276) 12276
weapons (12276) 12276
electric discharge tubes or discharge lamps (12153) 12153
electrolytic or electrophoretic processes (12083) 12083
casings or constructional details of electric apparatus (10425) 10425
manufacture of assemblages of electrical components (10425) 10425
printed circuits (10425) 10425
treatment of water, waste water, sewage, or sludge (9652) 9652
cleaning or degreasing of metallic material by chemicalmethods other than electrolysis (9349) 9349
technical subjects covered by former us classification (9217) 9217
chemical paint or ink removers (8336) 8336
coating compositions, e.g. paints, varnishes orlacquers (8336) 8336
correcting fluids (8336) 8336
filling pastes (8336) 8336
inks (8336) 8336
pastes or solids for colouring or printing (8336) 8336
use of materials therefor (8336) 8336
woodstains (8336) 8336
electroforming (7882) 7882
processes for the electrolytic or electrophoretic productionof coatings (7882) 7882
physical or chemical processes or apparatus in general (7342) 7342
ferrous or non-ferrous alloys (7333) 7333
treatment of alloys or non-ferrous metals (7333) 7333
compositions based thereon (6764) 6764
organic macromolecular compounds (6764) 6764
their preparation or chemical working-up (6764) 6764
technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (6709) 6709
cinematography (6691) 6691
electrography (6691) 6691
holography (6691) 6691
photography (6691) 6691
organic chemistry (6444) 6444
fuels (6435) 6435
lubricants (6435) 6435
peat (6435) 6435
petroleum, gas or coke industries (6435) 6435
technical gases containing carbon monoxide (6435) 6435
plasma technique (6428) 6428
production of accelerated electrically-charged particles or ofneutrons (6428) 6428
production or acceleration of neutral molecular or atomicbeams (6428) 6428
apparatus specially adapted therefor (6331) 6331
materials therefor (6295) 6295
originals therefor (6295) 6295
photomechanical production of textured or patterned surfaces,e.g. for printing, for processing of semiconductordevices (6295) 6295
applying liquids or other fluent materials to surfaces, in general (5938) 5938
spraying or atomising in general (5938) 5938
technologies or applications for mitigation or adaptation againstclimate change (5487) 5487
measuring (5219) 5219
testing (5219) 5219
alloys (5106) 5106
human necessities (4925) 4925
layered products (4839) 4839
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (4839) 4839
processes for applying liquids or other fluent materials tosurfaces, in general (4760) 4760
fixed constructions (4571) 4571
machine tools (4533) 4533
metal-working not otherwise provided for (4533) 4533
engineering elements and units (4426) 4426
general measures for producing and maintaining effectivefunctioning of machines or installations (4426) 4426
thermal insulation in general (4426) 4426
lubricating compositions (4266) 4266
use of chemical substances either alone or as lubricatingingredients in a lubricating composition (4266) 4266
metallurgy of iron (4093) 4093
chemical or physical processes, e.g. catalysis or colloidchemistry (3983) 3983
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English (135724) 135724
French (21378) 21378
German (18626) 18626
Chinese (16758) 16758
Korean (5507) 5507
Japanese (3723) 3723
Russian (2664) 2664
Spanish (2532) 2532
Portuguese (1367) 1367
Norwegian (1027) 1027
Italian (838) 838
Swedish (785) 785
Danish (747) 747
Dutch (625) 625
Finnish (561) 561
Polish (378) 378
Romanian (265) 265
Ukrainian (186) 186
Czech (153) 153
Hungarian (71) 71
Turkish (68) 68
Bulgarian (56) 56
Slovenian (33) 33
Indonesian (31) 31
Arabic (30) 30
Slovak (22) 22
Greek (19) 19
Serbian (13) 13
Croatian (10) 10
Hebrew (10) 10
Icelandic (9) 9
Lithuanian (9) 9
Moldavian (8) 8
Latvian (7) 7
Estonian (6) 6
Bosnian (1) 1
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