CN213053177U - 一种大口径管道对口装置 - Google Patents
一种大口径管道对口装置 Download PDFInfo
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- CN213053177U CN213053177U CN202022044340.8U CN202022044340U CN213053177U CN 213053177 U CN213053177 U CN 213053177U CN 202022044340 U CN202022044340 U CN 202022044340U CN 213053177 U CN213053177 U CN 213053177U
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CN202022044340.8U CN213053177U (zh) | 2020-09-17 | 2020-09-17 | 一种大口径管道对口装置 |
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CN202022044340.8U CN213053177U (zh) | 2020-09-17 | 2020-09-17 | 一种大口径管道对口装置 |
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CN213053177U true CN213053177U (zh) | 2021-04-27 |
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CN202022044340.8U Expired - Fee Related CN213053177U (zh) | 2020-09-17 | 2020-09-17 | 一种大口径管道对口装置 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: 510735 No.1, Hongli Road, Huangpu District, Guangzhou City, Guangdong Province Patentee after: CHINA ENERGY ENGINEERING GROUP GUANGDONG POWER ENGINEERING Co.,Ltd. Address before: 510000 Hongli Road, Huangpu District, Guangzhou, Guangdong Patentee before: Chen Yuchao Patentee before: Ni Yongbin Patentee before: Lin Xiaokui |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 Termination date: 20210917 |
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CF01 | Termination of patent right due to non-payment of annual fee |