Title : 一种螺纹连接的圆钢管柱
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Title:一种螺纹连接的圆钢管柱
Affilication of Author(s):土建与水利学院
Disigner of the Invention:wangpeijun
Application Number:201520933182.8
Number of Inventors:2
Service Invention or Not:no
Application Date:2015-11-19
The Last Update Time : ..