CPC Main Group
F28F 3/00 Plate-like or laminated elements; Assemblies of plate-like or laminated elements (specially adapted for movement F28F5/00)
4 direct subcodes
Child Classifications
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- F28F 3/02 Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations (F28F3/08 takes precedence)
- F28F 3/08 Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
- F28F 3/12 Elements constructed in the shape of a hollow panel, e.g. with channels