CN201606071U - 一种恒功率双侧向测井仪电路 - Google Patents
一种恒功率双侧向测井仪电路 Download PDFInfo
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- CN201606071U CN201606071U CN2009202742867U CN200920274286U CN201606071U CN 201606071 U CN201606071 U CN 201606071U CN 2009202742867 U CN2009202742867 U CN 2009202742867U CN 200920274286 U CN200920274286 U CN 200920274286U CN 201606071 U CN201606071 U CN 201606071U
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CN2009202742867U CN201606071U (zh) | 2009-12-14 | 2009-12-14 | 一种恒功率双侧向测井仪电路 |
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Cited By (1)
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CN102094625B (zh) * | 2009-12-14 | 2014-04-09 | 西安威尔罗根能源科技有限公司 | 一种恒功率双侧向测井仪电路及其控制方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN102094625B (zh) * | 2009-12-14 | 2014-04-09 | 西安威尔罗根能源科技有限公司 | 一种恒功率双侧向测井仪电路及其控制方法 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Constant power dual laterolog equipment circuit and control method thereof Effective date of registration: 20111221 Granted publication date: 20101013 Pledgee: China Minsheng Banking Corp Xi'an branch Pledgor: Xi'an Weier Rogan Energy Technology Co., Ltd.|Xu Peng Registration number: 2011990000503 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20120815 Granted publication date: 20101013 Pledgee: China Minsheng Banking Corp Xi'an branch Pledgor: Xi'an Weier Rogan Energy Technology Co., Ltd.|Xu Peng Registration number: 2011990000503 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Constant power dual laterolog equipment circuit and control method thereof Effective date of registration: 20121218 Granted publication date: 20101013 Pledgee: China Minsheng Banking Corp Xi'an branch Pledgor: Xi'an Weier Rogan Energy Technology Co., Ltd.|Xu Peng Registration number: 2012990000813 |
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PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20161102 Granted publication date: 20101013 Pledgee: China Minsheng Banking Corp Xi'an branch Pledgor: Xi'an Weier Rogan Energy Technology Co., Ltd.|Xu Peng Registration number: 2012990000813 |
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PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
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: 20101013 Termination date: 20181214 |