Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries) Part 4: Requirements for the installation
STANDARD published on 1.3.1994
Designation standards: ČSN IEC 621-4
Classification mark: 341635
Catalog number: 15881
Note: WITHDRAWN
Publication date standards: 1.3.1994
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN