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Optics and optical instruments. Ophthalmic optics. Formers PAS 015 4 Symbols and abbreviated terms
Optics and optical instruments. Ophthalmic optics. Formers PAS 015 4 Symbols and abbreviated terms
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Description
4 Symbols and abbreviated terms
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Optics and optical instruments. Ophthalmic optics. Formers PAS 015 4 Symbols and abbreviated terms1 Scope This International Standard specifies the characteristics of formers which are used in edging machines to edge lenses designed for insertion into spectacle frames. It is not applicable to separate formers required for supplementary treatment of lenses, for example facetting.
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