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performing operations (27) 27
transporting (27) 27
fixed constructions (11) 11
earth drilling (9) 9
mining (9) 9
machine tools (8) 8
metal-working not otherwise provided for (8) 8
casting (7) 7
powder metallurgy (7) 7
blasting (5) 5
boring (5) 5
general tagging of cross-sectional technologies spanning over several sections of the ipc (5) 5
general tagging of new technological developments (5) 5
heating (5) 5
lighting (5) 5
mechanical engineering (5) 5
mining or quarrying (5) 5
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (5) 5
technologies or applications for mitigation or adaptation againstclimate change (5) 5
turning (5) 5
weapons (5) 5
chemistry (4) 4
earth drilling, e.g. deep drilling (4) 4
foundry moulding (4) 4
metallurgy (4) 4
obtaining oil, gas, water, soluble or meltable materials or aslurry of minerals from wells (4) 4
physical or chemical processes or apparatus in general (4) 4
casting of metals (3) 3
casting of other substances by the same processes or devices (3) 3
climate change mitigation technologies related totransportation (3) 3
combustion engines (3) 3
combustion engines in general (3) 3
hot-gas or combustion-product engine plants (3) 3
human necessities (3) 3
internal-combustion piston engines (3) 3
mechanical metal-working without essentially removingmaterial (3) 3
physics (3) 3
punching metal (3) 3
combinations or associations of metal-working machines, notdirected to a particular result (2) 2
conveying (2) 2
details, components, or accessories for machine tools, e.g.arrangements for copying or controlling (2) 2
electrotherapy (2) 2
handling thin or filamentary material (2) 2
hygiene (2) 2
machine tools in general characterised by the construction ofparticular details or components (2) 2
magnetotherapy (2) 2
medical or veterinary science (2) 2
packing (2) 2
radiation therapy (2) 2
separation (2) 2
storing (2) 2
ultrasound therapy (2) 2
agriculture (1) 1
alloys (1) 1
analogue computers (1) 1
animal husbandry (1) 1
applying liquids or other fluent materials to surfaces, in general (1) 1
artificial stone (1) 1
atomising apparatus (1) 1
building (1) 1
calculating (1) 1
cements (1) 1
ceramics (1) 1
chemical or physical processes, e.g. catalysis or colloidchemistry (1) 1
chemical surface treatment (1) 1
cladding or plating by soldering or welding (1) 1
cleaning (1) 1
cleaning in general (1) 1
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (1) 1
coating by vacuum evaporation, by sputtering, by ionimplantation or by chemical vapour deposition, in general (1) 1
coating material with metallic material (1) 1
coating metallic material (1) 1
compositions based thereon (1) 1
compositions thereof, e.g. mortars, concrete or like buildingmaterials (1) 1
computing (1) 1
concrete (1) 1
counting (1) 1
cultivation of vegetables, flowers, rice, fruit, vines, hopsor seaweed (1) 1
cutting by applying heat locally, e.g. flame cutting (1) 1
diffusion treatment of metallic material (1) 1
engineering elements and units (1) 1
ferrous or non-ferrous alloys (1) 1
finishing work on buildings, e.g. stairs, floors (1) 1
fishing (1) 1
forestry (1) 1
forge furnaces (1) 1
forging (1) 1
foundations (1) 1
galleries (1) 1
general measures for producing and maintaining effectivefunctioning of machines or installations (1) 1
hammering (1) 1
horticulture (1) 1
hunting (1) 1
hydraulic engineering (1) 1
inhibiting corrosion of metallic material or incrustation ingeneral (1) 1
investigating or analysing materials by determining theirchemical or physical properties (1) 1
large underground chambers (1) 1
lime, magnesia (1) 1
machines, apparatus or devices for, or methods of, packagingarticles or materials (1) 1
macromolecular compounds obtained by reactions only involvingcarbon-to-carbon unsaturated bonds (1) 1
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