IPC Main Group
C22C 121/00 Pretreated fibres or filaments
Introduced: January 2000
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- Subclass:
- ALLOYS
1 direct subcode
Child Classifications
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- C22C 121/02 Coated fibres or filaments, e.g. ceramic fibres with protective coatings