Ceramic and calcium silicate bricks and stones. Methods for water absorption and density determination and frost resistance control
NORMA vydaná dňa 1.7.1991
Designation standards: GOST 7025-91
Publication date standards: 1.7.1991
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST