IPC Subgroup
F28F 1/02 Tubular elements of cross-section which is non-circular
Introduced: September 1968
Last revised: January 2006
Full Title
Tubular elements; Assemblies of tubular elements > Tubular elements of cross-section which is non-circular
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEAT EXCHANGE IN GENERAL
- Subclass:
- DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
2 direct subcodes
Child Classifications
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