NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
DIN 3182-2
DIN 3182-2
Round threads for respirators; thread ring gauges and not-go ring gauges
Title (German)
Rundgewinde für Atemschutzgeräte; Gewinde-Gutlehrringe und Ausschuß-Lehrringe
Document: references other documents
Responsible national committee
NA 027 - DIN Standards Committee Optics and Precision Mechanics