CN204269589U - 矿用甲烷检测装置 - Google Patents
矿用甲烷检测装置 Download PDFInfo
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- CN204269589U CN204269589U CN201420841661.2U CN201420841661U CN204269589U CN 204269589 U CN204269589 U CN 204269589U CN 201420841661 U CN201420841661 U CN 201420841661U CN 204269589 U CN204269589 U CN 204269589U
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Application Number | Priority Date | Filing Date | Title |
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CN201420841661.2U CN204269589U (zh) | 2014-12-28 | 2014-12-28 | 矿用甲烷检测装置 |
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CN201420841661.2U CN204269589U (zh) | 2014-12-28 | 2014-12-28 | 矿用甲烷检测装置 |
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CN204269589U true CN204269589U (zh) | 2015-04-15 |
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CN201420841661.2U Expired - Fee Related CN204269589U (zh) | 2014-12-28 | 2014-12-28 | 矿用甲烷检测装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107727826A (zh) * | 2017-10-16 | 2018-02-23 | 镇江市南方工矿器材有限公司 | 一种方便使用的煤矿甲烷检测仪器 |
CN109425718A (zh) * | 2017-08-22 | 2019-03-05 | 天津市科瑞燃气设备有限公司 | 一种燃气检测仪 |
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2014
- 2014-12-28 CN CN201420841661.2U patent/CN204269589U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109425718A (zh) * | 2017-08-22 | 2019-03-05 | 天津市科瑞燃气设备有限公司 | 一种燃气检测仪 |
CN107727826A (zh) * | 2017-10-16 | 2018-02-23 | 镇江市南方工矿器材有限公司 | 一种方便使用的煤矿甲烷检测仪器 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Harbin is prosperous obtains Foucault skill Development Co., Ltd Assignor: HARBIN COAL MINE SAFETY DETECTION AND MONITORING CENTER Contract record no.: 2015230000059 Denomination of utility model: Mine methane detection device Granted publication date: 20150415 License type: Exclusive License Record date: 20150520 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20151228 |
|
EXPY | Termination of patent right or utility model |