NA 058
DIN Standards Committee Lighting Technology
Standards
[Withdrawn]
DIN 22434-8
DIN 22434-8
Underground lighting in hardcoal mining - Lighting-technological planning bases - Part 8: For building sites
Title (German)
Beleuchtung im Steinkohlenbergbau unter Tage - Lichttechnische Planungsgrundlagen - Teil 8: Baustellen