CN217652423U - 一种岩石工程支撑安全保护装置 - Google Patents
一种岩石工程支撑安全保护装置 Download PDFInfo
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- CN217652423U CN217652423U CN202220369079.5U CN202220369079U CN217652423U CN 217652423 U CN217652423 U CN 217652423U CN 202220369079 U CN202220369079 U CN 202220369079U CN 217652423 U CN217652423 U CN 217652423U
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CN202220369079.5U CN217652423U (zh) | 2022-02-23 | 2022-02-23 | 一种岩石工程支撑安全保护装置 |
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CN202220369079.5U CN217652423U (zh) | 2022-02-23 | 2022-02-23 | 一种岩石工程支撑安全保护装置 |
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CN217652423U true CN217652423U (zh) | 2022-10-25 |
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CN202220369079.5U Withdrawn - After Issue CN217652423U (zh) | 2022-02-23 | 2022-02-23 | 一种岩石工程支撑安全保护装置 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20230112 Address after: 344000 Government compound of Hongmen Town, Nancheng County, Fuzhou City, Jiangxi Province Patentee after: Jiangxi Jinhao Construction Engineering Co.,Ltd. Address before: No. 358, Liuxu Road, Wujiang District, Suzhou City, Jiangsu Province, 215000 Patentee before: Xiang Linglong |
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TR01 | Transfer of patent right | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20221025 Effective date of abandoning: 20230213 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20221025 Effective date of abandoning: 20230213 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |