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一种能够适应各种拱圈形状参数的拱架

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First Author:huangcailiang

Disigner of the Invention:张胜林,zhangzhe,Huili Wang,尚晋,qiuwenliang,Tan Yonggang,pan shengshan

Application Number:CN201110259323.9

Authorization Date:2011-09-02

Authorization number:CN102425121A

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