DIFF Subgroup
C01B 33/04 Hydrides of silicon
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Silicon; Compounds thereof > Hydrides of silicon
CPC:
Silicon; Compounds thereof ( C01B21/00, C01B23/00 take precedence; persilicates C01B15/14; carbides C01B32/956) > Hydrides of silicon
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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