CN202522514U - 一种基于光谱吸收的煤矿瓦斯监测系统 - Google Patents
一种基于光谱吸收的煤矿瓦斯监测系统 Download PDFInfo
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CN103743706A (zh) * | 2013-12-06 | 2014-04-23 | 武汉理工大学 | 全量程高灵敏度瓦斯气体检测方法及装置 |
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CN103743706A (zh) * | 2013-12-06 | 2014-04-23 | 武汉理工大学 | 全量程高灵敏度瓦斯气体检测方法及装置 |
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Owner name: CHONGQING FEIERDA ELECTRICAL CO., LTD. Free format text: FORMER NAME: CHONGQING FIND MACHINERY CO., LTD. |
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Address after: 401327 the Jiulongpo District of Chongqing Municipality Gu Zhen Jing Long Industrial Park Patentee after: CHONGQING FIND MACHINERY CO., LTD. Address before: 401327 the Jiulongpo District of Chongqing Municipality Gu Zhen Jing Long Industrial Park Patentee before: Chongqing Find Machinery Co., Ltd. |
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Address after: 402566, 30 Longshan Road, Pu Lu Town, Tongliang County, Chongqing Patentee after: CHONGQING FIND MACHINERY CO., LTD. Address before: 401327 the Jiulongpo District of Chongqing Municipality Gu Zhen Jing Long Industrial Park Patentee before: CHONGQING FIND MACHINERY CO., LTD. |
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CP03 | Change of name, title or address |
Address after: No. 30, Longshan Avenue, Pu Lu street, Tongliang District, Chongqing (Industrial Park) Patentee after: Chongqing feierda ventilation equipment Limited by Share Ltd Address before: 402566, 30 Longshan Road, Pu Lu Town, Tongliang County, Chongqing Patentee before: CHONGQING FIND MACHINERY CO., LTD. |
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Granted publication date: 20121107 Termination date: 20180507 |
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CF01 | Termination of patent right due to non-payment of annual fee |