GB 3258.4-1982

Chemical analysis of bismuth concentrates--The thiocyanate photometric method for determination of tungsten trioxide

NORMA vydaná dňa 1.1.1982

The information about the standard:

Designation standards: GB 3258.4-1982
Note: NEPLATNÁ
Publication date standards: 1.1.1982
Country: Chinese technical standard
Kategória: Technické normy GB