Brown coals, hard coals and anthracites. Methods for determination of beryllium, boron, manganese, barium, chromium, nickel, cobalt, lead, gallium, vanadium, copper, zinc, molybdenum, yttrium and lanthanum
NORMA vydaná dňa 1.7.1992
Designation standards: GOST 28974-91
Publication date standards: 1.7.1992
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST