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MR lenteak: Betaurreko materialen berrikuntza aitzindaria
MR lenteek edo Erretxina Eraldatutako lenteek berrikuntza esanguratsua dakar gaur egungo betaurrekoen industrian.Erretxina lenteen materialak 1940ko hamarkadan sortu ziren beiraren alternatiba gisa, eta ADC※ materialek merkatua monopolizatzen zuten.Hala ere, errefrakzio-indize baxua dela eta, erretxinezko lenteak...Irakurri gehiago
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