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process for the production of optical elements such fresnl
process for the production of optical elements such fresnl
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机译:像弗雷斯诺这样的光学元件的生产方法
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摘要
the invention relates to a process for discharging by turning mirrors, lenses and fresnel type, and the matritelor for these elemete.the process comprises the following technological operations: set a
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