CPC Subgroup
C01B 21/16 Hydrazine; Salts thereof
Full Title
Nitrogen; Compounds thereof > Compounds containing nitrogen and non-metals (C01B21/06, C01B21/08 take precedence) > Hydrazine; Salts thereof
C01B 21/16 Nitrogen; Compounds thereof > Compounds containing nitrogen and non-metals (C01B21/06, C01B21/08 take precedence) > Hydrazine; Salts thereof