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利用空间光调制器来实现门禁保密远程识别系统

Date:2019-06-22

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Type of Patent:实用新型

State of Patent:Authorized patents

Application Number:201210491542.4

Service Invention or Not:no

Application Date:2012-11-28

Authorization Date:2017-12-19

Publication Date:2014-06-04

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