System of ensuring of geometrical accuracy in construction. Common principles in accuracy calculation
NORMA vydána dne 31.1.1984
Designation standards: GOST 21780-83
Note: NEPLATNÁ
Publication date standards: 31.1.1984
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST