DIFF Subgroup
F22B 37/34 Adaptations of boilers for promoting water circulation (auxiliary devices for promoting water circulation F22D7/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Adaptations of boilers for promoting water circulation
CPC: Adaptations of boilers for promoting water circulation (auxiliary devices for promoting water circulation F22D7/00)
Full Title
Full titles differ between systems:
IPC:
Component parts or details of steam boilers > applicable to more than one kind or type of steam boiler > Adaptations of boilers for promoting water circulation
CPC:
Component parts or details of steam boilers > applicable to more than one kind or type of steam boiler > Adaptations of boilers for promoting water circulation (auxiliary devices for promoting water circulation F22D7/00)
No child classifications to compare. This is a leaf node in both IPC and CPC.