NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
DIN ISO 10109-4
DIN ISO 10109-4
Optics and optical instruments - Environmental requirements - Part 4: Test requirements for telescopic systems (ISO 10109-4:2001)
Title (German)
Optik und optische Instumente - Umweltanforderungen - Teil 4: Prüfanforderungen für Fernrohre (ISO 10109-4:2001)