2024 10 12 will exhibit on mido
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1.60 FSV spheric
Product Name: 1.499 FINISHED SINGLE VISION Material: CR-39 Manufactory: PPG(USA) Refractive Index(25℃): n(d)=1.499 n(e)=1.501 Abbe Value: 58 Specific Gravity(20℃): 1.32
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