CN216016187U - 一种石油化工用电气节能控制防护装置 - Google Patents
一种石油化工用电气节能控制防护装置 Download PDFInfo
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- CN216016187U CN216016187U CN202121784981.5U CN202121784981U CN216016187U CN 216016187 U CN216016187 U CN 216016187U CN 202121784981 U CN202121784981 U CN 202121784981U CN 216016187 U CN216016187 U CN 216016187U
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20220824 Address after: Room 502, Unit 1, Building 18, No. 5, Huayuan Road, Licheng District, Jinan City, Shandong Province, 250100 Patentee after: Shi Haisheng Patentee after: He Mingbo Patentee after: Xing Peng Patentee after: Feng Aicheng Address before: 410116 Room 201, door 1, building 18, No. 355, Chaoshan North Road, Yuhua District, Changsha City, Hunan Province Patentee before: Zheng Zhaowei Patentee before: Xiao Yanqiu Patentee before: Ren Zhiguo Patentee before: Qin Wenhong Patentee before: Liu Tiegang Patentee before: Ruan Jinhua |
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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: 20220311 |