Yielding steel ring support use in mines. Dimensions
STANDARD published on 5.12.1985
Designation standards: ČSN 442611
Classification mark: 442611
Catalog number: 28462
Publication date standards: 5.12.1985
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN