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additive manufacturing, i.e. manufacturing ofthree-dimensional [3-d] objects by additive deposition, additiveagglomeration or additive layering, e.g. by 3-d printing,stereolithography or selective laser sintering (78) 78
cladding or plating by soldering or welding (74) 74
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general tagging of cross-sectional technologies spanning over several sections of the ipc (71) 71
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technical subjects covered by former uspc cross-reference art collections [xracs] and digests (71) 71
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switzerland (35) 35
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relays (32) 32
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general devices for heat treatment of ferrous or non-ferrousmetals or alloys (31) 31
making metal malleable by decarburisation, tempering or othertreatments (31) 31
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indexing scheme for aspects relating tonon-positive-displacement machines or engines, gas-turbines orjet-propulsion plants (26) 26
indexing schemes relating to engines or pumps in varioussubclasses of classes f01-f04 (26) 26
public, environmental & occupational health (25) 25
surveys and questionnaires (25) 25
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trapping (24) 24
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heterocyclic compounds (23) 23
hunting (23) 23
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positive displacement machines for liquids (22) 22
pumps for liquids or elastic fluids (22) 22
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12.