NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
DIN 4646-4
DIN 4646-4
Glasses for eye-protective equipments; testing of the gas tightness after mechanical stress
Title (German)
Sichtscheiben für Augenschutzgeräte; Prüfung auf Gasdichtheit nach mechanischer Beanspruchung
Document: references other documents
Document: referenced in other documents
Responsible national committee
NA 027 - DIN Standards Committee Optics and Precision Mechanics