DIFF Subgroup
F01B 31/32 Arrangements or adaptations of vacuum breakers
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 > Arrangements or adaptations of vacuum breakers
No child classifications to compare. This is a leaf node in both IPC and CPC.