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: 40
Approximate weight : 120 g (0.26 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST