DIFF Subgroup
F04B 1/26 Control
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Multi-cylinder machines or pumps characterised by number or arrangement of cylinders > having cylinder axes coaxial with, or parallel or inclined to, main shaft axis > Control
CPC:
Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (machines or pumps with pistons coacting within one cylinder F04B3/00) > having cylinder axes coaxial with, or parallel or inclined to, main shaft axis > Control
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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