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29 天
深圳智宏通获多透镜一体球面光学透镜专利,提升装置使用体验
近日,国家知识产权局公告显示,深圳市智宏通科技有限公司成功获得一项名为‘一种多透镜一体球面光学透镜’的实用新型专利,授权公告号为 ...
来自MSN
24 天
宇瞳光学获得发明专利授权:“一种定焦镜头”
该定焦镜头包括沿光轴从物方到像方依次排列的负光焦度的第一透镜、负光焦度的第二透镜、正光焦度或负光焦度的第三透镜、光阑、正光焦度的第 ...
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New Mexico park shooting
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