Electrical apparatus for explosive gas atmospheres - Part 20: Data for flammable gases and vapours, relating to the use of electrical apparatus
STANDARD published on 1.2.2001
Designation standards: ČSN IEC 79-20
Classification mark: 332321
Catalog number: 60758
Note: WITHDRAWN
Publication date standards: 1.2.2001
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Czech technical standard
Category: Technical standards ČSN