
System of design documents for construction. Rules for the implementation of design documentation for internal systems and external sewerage networks
NORM herausgegeben am 1.9.2023
Designation standards: GOST R 21.620-2023
Publication date standards: 1.9.2023
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST