Fittings for long distance oil and gas pipelines. Ball valves. Types and basic parameters
STANDARD published on 1.11.1984
Designation standards: STN 135630
Classification mark: 135630
Catalog number: 53247
Publication date standards: 1.11.1984
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Slovak technical standard
Category: Technical standards STN