
System of design documents for construction. Graphical symbols for engineering-geological investigation documents
NORM herausgegeben am 1.9.2022
Designation standards: GOST R 21.302-2021
Publication date standards: 1.9.2022
The number of pages: 41
Approximate weight : 123 g (0.27 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 1.25