CN206616572U - 一种降水井封堵结构 - Google Patents
一种降水井封堵结构 Download PDFInfo
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CN109869116A (zh) * | 2019-03-07 | 2019-06-11 | 东北大学 | 一种降水井封堵结构及其施工方法 |
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CN109869116A (zh) * | 2019-03-07 | 2019-06-11 | 东北大学 | 一种降水井封堵结构及其施工方法 |
CN109869116B (zh) * | 2019-03-07 | 2021-11-23 | 东北大学 | 一种降水井封堵结构及其施工方法 |
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Address after: 614000 No.94 Jingyang Road, shaping Town, Ebian County, Leshan City, Sichuan Province Patentee after: Guoneng Dadu River shaping Power Generation Co.,Ltd. Address before: 614000 No.94 Jingyang Road, shaping Town, Ebian County, Leshan City, Sichuan Province Patentee before: GUODIAN DADU RIVER SHAPING HYDROPOWER CONSTRUCTION Co.,Ltd. |
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Effective date of registration: 20221014 Address after: 860000 Baji West Road, Bayi Town, Nyingchi City, Tibet Autonomous Region (opposite to Ergao) Patentee after: National Energy Group Tibet Niyang River Basin Hydropower Development Co.,Ltd. Address before: 614000 No.94 Jingyang Road, shaping Town, Ebian County, Leshan City, Sichuan Province Patentee before: Guoneng Dadu River shaping Power Generation Co.,Ltd. |