DIFF Subgroup
F28F 9/22 Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
Introduced: September 1968
Full Title
Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings > Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
Child Classifications
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