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一种螺纹连接的方钢管柱及施工方法

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Title:一种螺纹连接的方钢管柱及施工方法

Institution:土建与水利学院

Application Number:201510814449.6

Number of Inventors:2

Service Invention or Not:No

Application Date:2015-11-19

Release Time:2019-01-26

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