DIFF Subgroup
F22B 37/70 Arrangements for distributing water into water tubes
Introduced: September 1968
Full Title
Component parts or details of steam boilers > specially adapted for steam boilers of forced-flow type > Arrangements for distributing water into water tubes
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
Navigate with arrow keys, Enter to open