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检查井与周围道路过渡连接体
Release Time:2019-04-15
  • Institution:
    土建与水利学院
  • Type of Patent:
    实用新型
  • Application Number:
    200820187634.2
  • Number of Inventors:
    1
  • Service Invention or Not:
    No
  • Application Date:
    2008-08-13
  • Publication Date:
    2009-05-27
  • Authorization Date:
    2009-05-27
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