CN207213383U - 混凝土排水管中的密封结构 - Google Patents
混凝土排水管中的密封结构 Download PDFInfo
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CN201721097221.0U CN207213383U (zh) | 2017-08-30 | 2017-08-30 | 混凝土排水管中的密封结构 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109854849A (zh) * | 2019-03-30 | 2019-06-07 | 贵州枫叶管业有限公司 | 一种双壁螺纹管用管头对接装置 |
CN109854849B (zh) * | 2019-03-30 | 2024-06-04 | 贵州枫叶管业有限公司 | 一种双壁螺纹管用管头对接装置 |
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2017
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109854849A (zh) * | 2019-03-30 | 2019-06-07 | 贵州枫叶管业有限公司 | 一种双壁螺纹管用管头对接装置 |
CN109854849B (zh) * | 2019-03-30 | 2024-06-04 | 贵州枫叶管业有限公司 | 一种双壁螺纹管用管头对接装置 |
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Effective date of registration: 20200305 Address after: 570100 north of Nanhai Avenue, Xixiu Town, Xiuying District, Haikou City, Hainan Province (opposite to Xinhe primary school, Haosu Village) Patentee after: Hainan Ronghui Investment Co.,Ltd. Address before: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20200305 Address after: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: No. 6, Wangjia village, Shaoxing, Zhuji, Zhejiang Province, Zhuji Patentee before: Wang Zhunv |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 |
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CF01 | Termination of patent right due to non-payment of annual fee |