Lighting of surface mines for mineral working
STANDARD published on 2.11.1970
Designation standards: ČSN 360051
Classification mark: 360051
Catalog number: 3116
Note: WITHDRAWN
Publication date standards: 2.11.1970
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN