GB 223.22-1982

Chemical analysis of iron, steel and alloy--The determination of cobalt by the nitroso-R salt photometric method

NORMA vydaná dňa 1.1.1982

The information about the standard:

Designation standards: GB 223.22-1982
Note: NEPLATNÁ
Publication date standards: 1.1.1982
Country: Chinese technical standard
Kategória: Technické normy GB