CPC Subgroup
C01B 32/991 Boron carbide
Full Title
Carbon; Compounds thereof (C01B21/00, C01B23/00 take precedence; percarbonates C01B15/10; carbon black C09C1/48) > Carbides > Carbides of single elements > Boron carbide
C01B 32/991 Carbon; Compounds thereof (C01B21/00, C01B23/00 take precedence; percarbonates C01B15/10; carbon black C09C1/48) > Carbides > Carbides of single elements > Boron carbide