CN203349876U - 一种便携式瓦斯管道综合参数测定仪 - Google Patents
一种便携式瓦斯管道综合参数测定仪 Download PDFInfo
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CN 201320425939 CN203349876U (zh) | 2013-07-18 | 2013-07-18 | 一种便携式瓦斯管道综合参数测定仪 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104089738A (zh) * | 2014-07-24 | 2014-10-08 | 蚌埠新奥燃气发展有限公司 | 燃气管道压力测试装置 |
CN104133048A (zh) * | 2014-08-01 | 2014-11-05 | 淮南润成科技股份有限公司 | 矿用瓦斯抽放多参数监测装置 |
US10801872B1 (en) | 2019-08-06 | 2020-10-13 | Surface Solutions Inc. | Methane monitoring and conversion apparatus and methods |
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2013
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104089738A (zh) * | 2014-07-24 | 2014-10-08 | 蚌埠新奥燃气发展有限公司 | 燃气管道压力测试装置 |
CN104133048A (zh) * | 2014-08-01 | 2014-11-05 | 淮南润成科技股份有限公司 | 矿用瓦斯抽放多参数监测装置 |
US10801872B1 (en) | 2019-08-06 | 2020-10-13 | Surface Solutions Inc. | Methane monitoring and conversion apparatus and methods |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. Free format text: FORMER NAME: ZHENGZHOU YUANJIAN COAL MINE EQUIPMENT CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Xinmi City, Henan Province town of Fangshan village 452394 meters in Zhengzhou City Patentee after: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. Address before: Xinmi City, Henan Province town of Fangshan village 452394 meters in Zhengzhou City Patentee before: Zhengzhou Yuanjian Coal Mine Equipment Co., Ltd. |
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C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Xinmi City Town Village 452370 meters persimmon Bay Henan city of Zhengzhou Province Patentee after: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. Address before: Xinmi City, Henan Province town of Fangshan village 452394 meters in Zhengzhou City Patentee before: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. |
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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: 20131218 Termination date: 20180718 |