Patents
Release time: 2021-03-04Hits:
  • Patent Applicant:张坤(S),zhang huaguang,高文忠(O)
  • Note:专利证书编号:CN201710285067.8
  • Service Invention or Not:no
  • Application Date:2017-04-27
  • Publication Date:2017-09-08
  • Authorization Date:2019-08-23
  • First Author:yanshijie
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