DIFF Subgroup
F24D 3/02 with forced circulation, e.g. by pumps
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Hot-water central heating systems > with forced circulation, e.g. by pumps
CPC:
Hot-water central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00) > with forced circulation, e.g. by pumps
No child classifications to compare. This is a leaf node in both IPC and CPC.