GB 1874-1980

Determination of the acid insoluble substance content in phosphorus concentrates and phosphorus minerals

NORMA vydaná dňa 1.1.1980

The information about the standard:

Designation standards: GB 1874-1980
Note: NEPLATNÁ
Publication date standards: 1.1.1980
Country: Chinese technical standard
Kategória: Technické normy GB