CPC Subgroup
F28F 9/26 Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators (connecting different sections in water heaters F24H9/14 )
Full Title
Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings > Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators (connecting different sections in water heaters F24H9/14 )
1 direct subcode
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