CN212405445U - 一种用于水利波纹管道的清理装置 - Google Patents
一种用于水利波纹管道的清理装置 Download PDFInfo
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- CN212405445U CN212405445U CN202020557773.0U CN202020557773U CN212405445U CN 212405445 U CN212405445 U CN 212405445U CN 202020557773 U CN202020557773 U CN 202020557773U CN 212405445 U CN212405445 U CN 212405445U
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CN202020557773.0U CN212405445U (zh) | 2020-04-15 | 2020-04-15 | 一种用于水利波纹管道的清理装置 |
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CN202020557773.0U CN212405445U (zh) | 2020-04-15 | 2020-04-15 | 一种用于水利波纹管道的清理装置 |
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CN212405445U true CN212405445U (zh) | 2021-01-26 |
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CN202020557773.0U Withdrawn - After Issue CN212405445U (zh) | 2020-04-15 | 2020-04-15 | 一种用于水利波纹管道的清理装置 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20220509 Address after: 643000 No. 81, Wuxing Street, Ziliujing District, Zigong City, Sichuan Province Patentee after: Sichuan Zefu Construction Engineering Co.,Ltd. Address before: 737100 No.24 Hengchang international shop, Shanghai Road, Jinchuan District, Jinchang City, Gansu Province Patentee before: Lin Weiyong |
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TR01 | Transfer of patent right | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20210126 Effective date of abandoning: 20220525 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20210126 Effective date of abandoning: 20220525 |
|
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |