System of building design documents. Pipelines. Symbols for presentation
NORMA vydána dne 1.7.1994
Designation standards: GOST 21.206-93
Note: NEPLATNÁ
Publication date standards: 1.7.1994
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST