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预应力锚杆柔性支护体系中的锚下承载结构及其施工方法

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First Author:jiajinqing

Disigner of the Invention:涂兵雄,杨志银,程良奎,黄强,范景伦,柳建国

Application Number:CN201510127049.8

Authorization Date:2015-03-23

Authorization number:CN104674810A

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