IPC Subgroup
F28F 19/02 by using coatings, e.g. vitreous or enamel coatings
Introduced: September 1968
Last revised: January 2006
Full Title
Preventing the formation of deposits or corrosion, e.g. by using filters > by using coatings, e.g. vitreous or enamel coatings
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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- F28F 19/04 of rubber; of plastics material; of varnish
- F28F 19/06 of metal