Underground lighting in hardcoal mining - Lighting-technological planning bases - Part 1: General specification.
NORMA vydaná dňa 1.7.2001
Designation standards: DIN 22434-1:2001-07
Note: NEPLATNÁ
Publication date standards: 1.7.2001
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Beleuchtung im Steinkohlenbergbau unter Tage - Lichttechnische Planungsgrundlagen - Teil 1: Allgemeine Anforderungen.