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于广云   Professor

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塌陷区铁路或公路桥抗大变形加固方法

Release time:2020-10-30  Hits:

  • Affilication of Author(s):力学与土木工程学院
  • Disigner of the Invention:xiajunwu,王东权,王立波,shengping,hong
  • Note:夏军武,王东权,王立波,盛平,常虹
  • Type of Patent:国内
  • State of Patent:专利撤回
  • Application Number:03131875.4
  • Authorization number:CN 1277998C
  • Number of Inventors:6
  • Service Invention or Not:no
  • Application Date:2003-06-10
  • Authorization Date:2006-10-04
  • First Author:yuguangyun