Construction and control of circular mining support of reinforced concrete panels
STANDARD published on 26.6.1989
Designation standards: ČSN 442061
Classification mark: 442061
Catalog number: 28457
Note: WITHDRAWN
Publication date standards: 26.6.1989
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Category: Technical standards ČSN