System of design documents for consruction. Graphic symbols for engineering geological investigation documents
NORM herausgegeben am 1.1.1997
Designation standards: GOST 21.302-96
Note: UNGÜLTIG
Publication date standards: 1.1.1997
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST