Patents
Release time: 2021-03-04Hits:
  • Patent Applicant:zhang huaguang,张炳义(O),闫伟航(S),wangxu,liuxiuchong,chuenhui,许晓敏(S)
  • Note:专利证书编号:US10171020B2
  • Service Invention or Not:no
  • Application Date:2015-08-14
  • Publication Date:2017-11-09
  • Authorization Date:2019-01-01
  • First Author:yanshijie
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