DIN Standards Committee Optics and Precision Mechanics
ISO 9022-20
Optics and optical instruments - Environmental test methods - Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide
Optik und optische Instrumente - Umweltprüfungen - Teil 20: Schwefeldioxid- oder schwefel-wasserstoffhaltige feuchte Atmosphäre
Responsible national committee
NA 027-01-02-03 AK - Environmental requirements and test methods for optical instruments