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一种防止混凝土坝岸坡坝段开裂渗漏水的结构

Release Time:2021-03-23  Hits:

First Author: 王一帆

Disigner of the Invention: Fei Kang,Du Zhida,许青

Application Number: 202021103560.7

Authorization Date: 2020-06-15

Authorization Number: ZL 202021103560.7

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