DIFF Main Group
F22B 15/00 Water-tube boilers of horizontal type, i.e. the water-tube sets being arranged horizontally
Introduced: September 1968
No child classifications to compare. This is a leaf node in both IPC and CPC.
F22B 15/00 Introduced: September 1968
No child classifications to compare. This is a leaf node in both IPC and CPC.