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钢丝绳牵引防夹双扇救灾门

  • Release time:2020-10-30
  • Hits:

  • Disigner of the Invention: 

    王杰,王凯,wuzhengyan,梁巍巍,李顺文,刘忠远,张宜明,吴海卫,张卫清,陈月琴

  • Note: 

    吴征艳,梁巍巍,李顺文,刘忠远,张宜明,吴海卫,张卫清,陈月琴,王杰,王凯

  • Type of Patent: 

    国际

  • State of Patent: 

    专利撤回

  • Application Number: 

    200920036019.6

  • Authorization number: 

    CN 201363065Y

  • Number of Inventors: 

    11

  • Service Invention or Not: 

    no

  • Application Date: 

    2009-03-06

  • Authorization Date: 

    2009-12-16

  • First Author: 

    jiangshuguang
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