
General production rates of material consumption in construction. Collection 19. Installation of internal sanitary-engineering systems of heating, water supply, sewage and gas
STANDARD published on 19.1.1981
Designation standards: VSN 415-81
Publication date standards: 19.1.1981
The number of pages: 56
Approximate weight : 168 g (0.37 lbs)
Country: Russian technical standard
Category: VSN