DS/EN ISO 11381:1997
Optics and optical instruments - Ophthalmic optics - Screw threads

Standard No.

DS/EN ISO 11381:1997

Release Date

1997

Published By

Danish Standards Foundation

Latest

DS/EN ISO 11381:1997

Scope

This International Standard specifies requirements for ISO metric screw threads for use with spectacle frames.

DS/EN ISO 11381:1997 history

• 1997 DS/EN ISO 11381:1997 Optics and optical instruments - Ophthalmic optics - Screw threads