NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
DIN 5371
DIN 5371
Metal hinges for spectacle frames; screws, nuts and rivets
Title (German)
Metallgelenke für Brillenfassungen; Schrauben, Muttern und Niete
Document: references other documents
Responsible national committee
NA 027 - DIN Standards Committee Optics and Precision Mechanics