CN203881485U - 用于燃气管道的多功能压力测试装置 - Google Patents
用于燃气管道的多功能压力测试装置 Download PDFInfo
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- CN203881485U CN203881485U CN201420308879.1U CN201420308879U CN203881485U CN 203881485 U CN203881485 U CN 203881485U CN 201420308879 U CN201420308879 U CN 201420308879U CN 203881485 U CN203881485 U CN 203881485U
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CN201420308879.1U CN203881485U (zh) | 2014-06-11 | 2014-06-11 | 用于燃气管道的多功能压力测试装置 |
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CN201420308879.1U CN203881485U (zh) | 2014-06-11 | 2014-06-11 | 用于燃气管道的多功能压力测试装置 |
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CN203881485U true CN203881485U (zh) | 2014-10-15 |
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CN201420308879.1U Expired - Fee Related CN203881485U (zh) | 2014-06-11 | 2014-06-11 | 用于燃气管道的多功能压力测试装置 |
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CN (1) | CN203881485U (zh) |
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2014
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: XIANGTAN ENN GAS CO., LTD. Free format text: FORMER OWNER: XIANGTAN ENN GAS DEVELOPMENT CO., LTD. Effective date: 20150204 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150204 Address after: 411100 Hunan Province, Xiangtan City Yuhu Road No. 113 Patentee after: XIANGTAN ENN GAS CO., LTD. Address before: 411100 Hunan Province, Xiangtan City Yuhu Road No. 113 Patentee before: Xiangtan ENN Gas Development Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20200611 |
|
CF01 | Termination of patent right due to non-payment of annual fee |