NA 149
DIN Standards Committee Entertainment Technology, Photography and Cinematography
Standards
[Withdrawn]
DIN 56921-11
DIN 56921-11
Theatre engineering, stage machinery - Flying systems - Part 11: Safety requirements and testing
Title (German)
Theatertechnik, Bühnenmaschinerie - Prospektzüge - Teil 11: Sicherheitstechnische Anforderungen und Prüfung