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一种工字型开孔半垂直连锁护坡砌块
Release Time:2019-04-16
  • Institution:
    土建与水利学院
  • Type of Patent:
    Utility models
  • Application Number:
    201520425027.5
  • Number of Inventors:
    2
  • Service Invention or Not:
    No
  • Application Date:
    2015-06-18
  • Publication Date:
    2015-10-07
  • Authorization Date:
    2015-10-07
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