CPC Subgroup
F28D 7/08 the conduits being otherwise bent, e.g. in a serpentine or zig-zag (F28D7/10 takes precedence)
Full Title
Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall > the conduits being otherwise bent, e.g. in a serpentine or zig-zag (F28D7/10 takes precedence)
1 direct subcode
Child Classifications
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