NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
DIN 4647
DIN 4647
Glasses for Eye-protection Equipment; Protective Filters for Use in Welding
Title (German)
Sichtscheiben für Augenschutzgeräte; Schweißerschutzfilter
Responsible national committee
NA 027 BR - Advisory Board of DIN Standards Committee Optics and Precision Mechanics