Small fitting for central heating. Steam stop valves and slide valves. Technical rules
STANDARD published on 1.2.1967
Designation standards: STN 137300
Classification mark: 137300
Catalog number: 53372
Publication date standards: 1.2.1967
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Slovak technical standard
Category: Technical standards STN