DIFF Subgroup
C01B 33/1071 Full Title
Silicon; Compounds thereof ( C01B21/00, C01B23/00 take precedence; persilicates C01B15/14; carbides C01B32/956) > Compounds containing halogen > Halogenated silanes
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.