GB 1871-1980

Analysis of the phosphorus, iron, aluminium, calcium and magnesium contents in phosphorus concentrates and phosphorus minerals

NORM herausgegeben am 1.1.1980

The information about the standard:

Designation standards: GB 1871-1980
Note: UNGÜLTIG
Publication date standards: 1.1.1980
Country: Chinese technical standard
Kategorie: Technische Normen GB