Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F05
INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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F05D
INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
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2300/00
Materials; Properties thereof
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F05D2300/10
Metals, alloys or intermetallic compounds
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F05D2300/14
Noble metals, i.e. Ag, Au, platinum group metals
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F05D2300/143
Platinum group metals, i.e. Os, Ir, Pt, Ru, Rh, Pd
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