Concrete and reinforced structures for holes in sewage, water and gas supply pipelines. Specifications
NORMA vydána dne 1.7.1990
Designation standards: GOST 8020-90
Note: NEPLATNÁ
Publication date standards: 1.7.1990
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST
Implemented changes and corrections:
Amd. 3.91