CPC Main Group
F01C 19/00 Sealing arrangements in rotary-piston machines or engines (sealings in general F16J)
5 direct subcodes
Child Classifications
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- F01C 19/02 Radially-movable sealings for working fluids
- F01C 19/08 Axially-movable sealings for working fluids
- F01C 19/10 Sealings for working fluids between radially and axially movable parts
- F01C 19/12 for other than working fluid