CPC Subgroup Additional Only
B01J 2219/0204 comprising coatings on the surfaces in direct contact with the reactive components
Full Title
Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Apparatus characterised by their chemically-resistant properties > comprising coatings on the surfaces in direct contact with the reactive components
7 direct subcodes
Child Classifications
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- B01J 2219/0209 of glass
- B01J 2219/0213 of enamel
- B01J 2219/0218 of ceramic
- B01J 2219/0227 of graphite
- B01J 2219/0231 of diamond
- B01J 2219/0236 Metal based
- B01J 2219/0245 of synthetic organic material