Patents
Release time: 2021-03-04Hits:
  • Patent Applicant:刘伯文(S),高文忠(O),杨娇(S),李叶青(S),于天(S)
  • Note:专利证书编号:CN201810386374
  • Service Invention or Not:no
  • Application Date:2018-04-24
  • Publication Date:2018-09-04
  • First Author:yanshijie
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