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一种用于基坑支护的护壁桩与降水井合一的方法

Release Time:2019-10-12  Hits:

First Author: 贾金青

Disigner of the Invention: 郑卫锋,闫长旺,陈国周

Application Number: CN200710012638.7

Authorization Date: 2007-08-27

Authorization Number: CN101161947

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