System of design documents for construction. Water supply and sewerage. Working drawings
NORMA vydaná dňa 1.1.1981
Designation standards: GOST 21.601-79
Note: NEPLATNÁ
Publication date standards: 1.1.1981
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST
Implemented changes and corrections:
Amd. 1.81