DIFF Subgroup
F01B 11/04 Engines combined with reciprocatory driven devices, e.g. hammers
Introduced: September 1968
Full Title
Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type > Engines combined with reciprocatory driven devices, e.g. hammers
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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