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方钢管内切环形箍筋约束高强混凝土柱

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  • Release time:2018-07-02

  • School Sign:中南大学

  • Patent Applicant:余志武, 龚永智, 丁发兴

  • Type of Patent:Invent

  • State of Patent:Authorized patents

  • Authorization number:ZL201210108806.3

  • Number of Inventors:3

  • Service Invention or Not:no

  • Authorization Date:2015-01-14

  • First Author:丁发兴

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