CN209293296U - 一种可拆卸式注浆孔保护螺丝 - Google Patents
一种可拆卸式注浆孔保护螺丝 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109296137A (zh) * | 2018-10-19 | 2019-02-01 | 中铁上海工程局集团第二工程有限公司 | 一种可拆卸式注浆孔保护螺丝及其使用方法 |
CN111549980A (zh) * | 2020-05-21 | 2020-08-18 | 中建八局轨道交通建设有限公司 | 钢筋预埋套筒的保护装置及保护方法 |
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2018
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109296137A (zh) * | 2018-10-19 | 2019-02-01 | 中铁上海工程局集团第二工程有限公司 | 一种可拆卸式注浆孔保护螺丝及其使用方法 |
CN109296137B (zh) * | 2018-10-19 | 2023-08-22 | 中铁上海工程局集团市政环保工程有限公司 | 一种可拆卸式注浆孔保护螺丝及其使用方法 |
CN111549980A (zh) * | 2020-05-21 | 2020-08-18 | 中建八局轨道交通建设有限公司 | 钢筋预埋套筒的保护装置及保护方法 |
CN111549980B (zh) * | 2020-05-21 | 2021-11-12 | 中建八局轨道交通建设有限公司 | 钢筋预埋套筒的保护装置及保护方法 |
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Address after: No.777 Fulian Road, Baoshan District, Shanghai, 201906 Co-patentee after: SHANGHAI CIVIL ENGINEERING Co.,Ltd. OF CREC Patentee after: China Railway Shanghai Engineering Bureau Group Municipal Environmental Protection Engineering Co.,Ltd. Address before: 200436 Jingan District, Jingan District, Shanghai, the West Road of the West Road, ring time square, 2 Floor 9 floor Co-patentee before: SHANGHAI CIVIL ENGINEERING Co.,Ltd. OF CREC Patentee before: NO 2 ENGINEERING CO.,LTD. SHANGHAI CIVIL ENGINEERING CO.,LTD OF CREC |
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CP03 | Change of name, title or address | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20190823 Effective date of abandoning: 20230822 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20190823 Effective date of abandoning: 20230822 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |