DIFF Main Group
F24D 1/00 Steam central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Steam central heating systems
CPC: Steam central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00)
Full Title
Full titles differ between systems:
IPC:
Steam central heating systems
CPC:
Steam central heating systems (district heating systems F24D10/00; central heating systems using heat accumulated in storage masses F24D11/00)
Of 5 combined children, 4 exist in both systems.
1 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F24D 1/08 Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks IPC+CPC Available in IPC and CPC