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QB/T 2506-2017 English PDF (QBT2506-2017)

QB/T 2506-2017 English PDF (QBT2506-2017)

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QB/T 2506-2017: Uncut finished spectacle lenses. Optical hard resin lenses
This Standard specifies the terms and definitions, classification, requirements, test methods, inspection rules, marking, package, transportation, storage of optical hard resin lenses. This Standard is applicable to the spectacles lenses made of polymer materials with optical property.

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