DIFF Subgroup
C01B 21/14 Hydroxylamine; Salts thereof
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Nitrogen; Compounds thereof > Compounds containing nitrogen and non-metals > Hydroxylamine; Salts thereof
CPC:
Nitrogen; Compounds thereof > Compounds containing nitrogen and non-metals (C01B21/06, C01B21/08 take precedence) > Hydroxylamine; Salts thereof
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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