Ka khanyetso e phahameng, index e phahameng ea refractive (RI), palo e phahameng ea Abbe, le boima bo bobebe, thepa ena ea thiourethane eyeglass ke sehlahisoa se nang le theknoloji e ikhethang ea polymerization ea MITSUICHEMICALS. Ke lisebelisoa tse ncha bakeng sa lilense tse fanang ka sete e leka-lekaneng ea ...
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