GB 223.21-1982

Chemical analysis of iron, steel and alloy--The determination of cobalt by the 5-Cl-PADAB photometric method

NORM herausgegeben am 1.1.1982

The information about the standard:

Designation standards: GB 223.21-1982
Note: UNGÜLTIG
Publication date standards: 1.1.1982
Country: Chinese technical standard
Kategorie: Technische Normen GB