CN109811725B - 一种输水渠道不停水快速检修方法 - Google Patents
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Address after: 450018 Zhengguang North Street North and Zhongwang Road West, Zhengzhou area (Zhengdong), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: Henan Branch of China South to North Water Transfer group middle route Co.,Ltd. Address before: 450018 Zhengguang North Street North and Zhongwang Road West, Zhengzhou area (Zhengdong), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee before: HENAN BRANCH OF CONSTRUCTION AND ADMINISTRATION BUREAU OF SOUTH-TO-NORTH WATER DIVERSION MIDDLE ROUTE PROJECT |
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Effective date of registration: 20220621 Address after: 450018 Zhengguang North Street North and Zhongwang Road West, Zhengzhou area (Zhengdong), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: Henan Branch of China South to North Water Transfer group middle route Co.,Ltd. Patentee after: South to North Water Transfer Middle Route Industrial Development Co.,Ltd. Address before: 450018 Zhengguang North Street North and Zhongwang Road West, Zhengzhou area (Zhengdong), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee before: Henan Branch of China South to North Water Transfer group middle route Co.,Ltd. |