DIFF Subgroup
F24D 3/06 Arrangements or devices for maintaining high pressure
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Hot-water central heating systems > with the water under high pressure > Arrangements or devices for maintaining high pressure
CPC:
Hot-water central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00) > with the water under high pressure > Arrangements or devices for maintaining high pressure
No child classifications to compare. This is a leaf node in both IPC and CPC.