GB/T 223.75-1991

Methods for chemical analysis of iron, steel and alloy—The methanol distillation-curcumin photometric method for the determination of boron content

NORMA vydaná dňa 6.9.1981

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The information about the standard:

Designation standards: GB/T 223.75-1991
Note: NEPLATNÁ
Publication date standards: 6.9.1981
Country: Chinese technical standard
Kategória: Technické normy GB