I.S.100-1959
MATERIALS FOR PLASTIC SPECTACLE FRAMES
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I.S.100-1959
Standard No.
I.S.100-1959
Release Date
1959
Published By
IE-NSAI
Scope
1. This specification relates to plastic materials for the manufacture of spectacle frames. The material shall consist of a cellulose acetate plastic or of a cellulose nitrate plastic.
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