Tungsten concentrate. Method of determination of manganese protoxide
STANDARD published on 1.7.1980
Designation standards: GOST 11884.2-78
Publication date standards: 1.7.1980
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 1.81
Amd. 3.84
Amd. 4.90