Specification for Plastic Specatacle Frames (IS : 3693 - 1966)

Indian Standards Institution

Specification for Plastic Specatacle Frames (IS : 3693 - 1966) - First Reprint December 1979 - New Delhi Indian Standards Institution 1966 - 8p

IS : 3693 - 1966

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Indian Standard - ID
Plastics

IS : 3693 - 1966 / IND
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