Pipeline valves. Knife gate valves for trunk pipelines. General specifications
NORMA vydaná dňa 1.3.2013
Designation standards: GOST R 55020-2012
Note: NEPLATNÁ
Publication date standards: 1.3.2013
The number of pages: 76
Approximate weight : 228 g (0.50 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST