DIFF Subgroup
F28D 20/02 using latent heat
Introduced: January 1995
Full Title
Full titles differ between systems:
IPC:
Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups or > using latent heat
CPC:
Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 > using latent heat
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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