CPC Subgroup
C01B 32/90 Carbides
Full Title
Carbon; Compounds thereof (C01B21/00, C01B23/00 take precedence; percarbonates C01B15/10; carbon black C09C1/48) > Carbides
2 direct subcodes
Child Classifications
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- C01B 32/907 Oxycarbides; Sulfocarbides; Mixture of carbides
- C01B 32/914 Carbides of single elements