CN203405613U - 长距离管道输煤光缆线路通信系统 - Google Patents
长距离管道输煤光缆线路通信系统 Download PDFInfo
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- CN203405613U CN203405613U CN201320255976.4U CN201320255976U CN203405613U CN 203405613 U CN203405613 U CN 203405613U CN 201320255976 U CN201320255976 U CN 201320255976U CN 203405613 U CN203405613 U CN 203405613U
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CN201320255976.4U CN203405613U (zh) | 2013-05-11 | 2013-05-11 | 长距离管道输煤光缆线路通信系统 |
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Cited By (1)
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CN103293623A (zh) * | 2013-05-11 | 2013-09-11 | 中煤科工集团武汉设计研究院 | 长距离管道输煤光缆线路通信系统及敷设方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103293623A (zh) * | 2013-05-11 | 2013-09-11 | 中煤科工集团武汉设计研究院 | 长距离管道输煤光缆线路通信系统及敷设方法 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442 Patentee after: WUHAN DESIGN & RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group Address before: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442 Patentee before: Wuhan Design and Research Institute of China Coal Technology & Engineering Group |
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TR01 | Transfer of patent right |
Effective date of registration: 20151130 Address after: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442 Patentee after: WUHAN DESIGN & RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group Patentee after: Shaanxi Shenwei Coal Pipeline Transportation Co.,Ltd. Address before: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442 Patentee before: WUHAN DESIGN & RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group |
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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: 20140122 Termination date: 20170511 |