CN210331914U - 一种排水管用过滤连接管 - Google Patents
一种排水管用过滤连接管 Download PDFInfo
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- CN210331914U CN210331914U CN201921060995.5U CN201921060995U CN210331914U CN 210331914 U CN210331914 U CN 210331914U CN 201921060995 U CN201921060995 U CN 201921060995U CN 210331914 U CN210331914 U CN 210331914U
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CN201921060995.5U CN210331914U (zh) | 2019-07-08 | 2019-07-08 | 一种排水管用过滤连接管 |
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CN201921060995.5U CN210331914U (zh) | 2019-07-08 | 2019-07-08 | 一种排水管用过滤连接管 |
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CN210331914U true CN210331914U (zh) | 2020-04-17 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113018932A (zh) * | 2021-03-18 | 2021-06-25 | 钟淑媛 | 一种污水处理用过滤机构 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113018932A (zh) * | 2021-03-18 | 2021-06-25 | 钟淑媛 | 一种污水处理用过滤机构 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Wenlong Inventor after: Qin Yongcheng Inventor before: Qin Yongcheng |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 6003a, 6 / F, 101 West Fourth Ring Road South, Fengtai District, Beijing 100070 Patentee after: Shoutou chuangtong Construction Group Co., Ltd Address before: 26 hanzhuangzi Erli, Fengtai District, Beijing 100070 Patentee before: China Railway Chuangtong Construction Group Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20210708 |