DIFF Subgroup
F01B 31/34 Safety means against water hammer or against the penetration of water
Introduced: September 1968
Full Title
Component parts, details or accessories not provided for in, or of interest apart from, other groups > Other component parts, details, or accessories, peculiar to steam engines > Safety means against water hammer or against the penetration of water
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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