CN212585878U - 一种矿用光纤无源锚杆索应力传感器 - Google Patents
一种矿用光纤无源锚杆索应力传感器 Download PDFInfo
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- CN212585878U CN212585878U CN202021504277.5U CN202021504277U CN212585878U CN 212585878 U CN212585878 U CN 212585878U CN 202021504277 U CN202021504277 U CN 202021504277U CN 212585878 U CN212585878 U CN 212585878U
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CN117647340A (zh) * | 2024-01-30 | 2024-03-05 | 成都工业职业技术学院 | 一种基于光纤传感器的矿用顶板压力检测装置 |
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Cited By (2)
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CN117647340A (zh) * | 2024-01-30 | 2024-03-05 | 成都工业职业技术学院 | 一种基于光纤传感器的矿用顶板压力检测装置 |
CN117647340B (zh) * | 2024-01-30 | 2024-03-29 | 成都工业职业技术学院 | 一种基于光纤传感器的矿用顶板压力检测装置 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A mine optical fiber passive anchor cable stress sensor Effective date of registration: 20210806 Granted publication date: 20210223 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong Guang'an Intelligent Technology Co.,Ltd. Registration number: Y2021980007371 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220819 Granted publication date: 20210223 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong Guang'an Intelligent Technology Co.,Ltd. Registration number: Y2021980007371 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Mine Optical Fiber Passive Anchor Cable Stress Sensor Effective date of registration: 20230106 Granted publication date: 20210223 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong Guang'an Intelligent Technology Co.,Ltd. Registration number: Y2023980030498 |
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CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: Building D12, CRRC Zhihui City, No. 3777 Chunxuan Road, High tech Zone, Jinan City, Shandong Province, 250000 Patentee after: Shandong Guang'an Intelligent Technology Co.,Ltd. Address before: Block B, physicochemical building, 3666 Century Avenue, high tech Zone, Jinan City, Shandong Province Patentee before: Shandong Guang'an Intelligent Technology Co.,Ltd. |