DIFF Subgroup
F24D 9/02 Hot water and steam systems
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Central heating systems employing combinations of heat-transfer fluids covered by two or more of groups > Hot water and steam systems
CPC:
Central heating systems employing combinations of heat transfer fluids covered by two or more of groups F24D1/00 - F24D7/00 (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00) > Hot water and steam systems
No child classifications to compare. This is a leaf node in both IPC and CPC.