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Lensa MR: Inovasi Pionir ing Bahan Kacamata
Lensa MR, utawa lensa Resin Modified, minangka inovasi sing signifikan ing industri kacamata saiki.Bahan lensa resin muncul ing taun 1940-an minangka alternatif kanggo kaca, kanthi bahan ADC※ sing memonopoli pasar.Nanging, amarga indeks bias sing kurang, lensa resin ...Waca liyane
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