DIFF Subgroup
F01C 19/12 for other than working fluid
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Sealing arrangements in rotary-piston machines or engines > for other than working fluid
CPC:
Sealing arrangements in rotary-piston machines or engines (sealings in general F16J) > for other than working fluid
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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