Artificial porous gravel, crushed stone and sand. Specifications
NORM herausgegeben am 1.1.1991
Designation standards: GOST 9757-90
Note: UNGÜLTIG
Publication date standards: 1.1.1991
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 5.01