DIFF Subgroup
F04D 29/02 Selection of particular materials (for handling specific liquids F04D7/00 )
Introduced: September 1968
Title
Titles differ between systems:
IPC: Selection of particular materials
CPC: Selection of particular materials (for handling specific liquids F04D7/00 )
Full Title
Full titles differ between systems:
IPC:
Details, component parts, or accessories > Selection of particular materials
CPC:
Details, component parts, or accessories (machine elements in general F16) > Selection of particular materials (for handling specific liquids F04D7/00 )
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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