Coupling of steel support for use in mines. Dimensions
STANDARD published on 1.10.1978
Designation standards: STN 442694:1971/b
Classification mark: 442694
Catalog number: 63502
Note: Change
Publication date standards: 1.10.1978
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Slovak technical standard
Category: Technical standards STN