DIFF Subgroup
F01C 21/08 Rotary pistons (reciprocating pistons in general F16J)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Rotary pistons
CPC: Rotary pistons (reciprocating pistons in general F16J)
Full Title
Full titles differ between systems:
IPC:
Component parts, details, or accessories, not provided for in groups > Rotary pistons
CPC:
Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00 > Rotary pistons (reciprocating pistons in general F16J)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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