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PCE
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DIFF Subgroup
F24H 1/36

the water chamber including one or more fire tubes

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters > Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating > with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side > the water chamber including one or more fire tubes

CPC:

Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters (steam boilers F22B) > Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating > with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side > the water chamber including one or more fire tubes

No child classifications to compare. This is a leaf node in both IPC and CPC.