DIFF Main Group
F28D 19/00 Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
Introduced: September 1968
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- F28D 19/04 using rigid bodies, e.g. mounted on a movable carrier +4 CPC IPC+CPC Available in IPC and CPC