DIFF Subgroup
F28D 17/02 using rigid bodies, e.g. of porous material
Introduced: September 1968
Full Title
Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles > using rigid bodies, e.g. of porous material
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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