CN203057084U - 双比例集成式放大器 - Google Patents
双比例集成式放大器 Download PDFInfo
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- CN203057084U CN203057084U CN 201220649261 CN201220649261U CN203057084U CN 203057084 U CN203057084 U CN 203057084U CN 201220649261 CN201220649261 CN 201220649261 CN 201220649261 U CN201220649261 U CN 201220649261U CN 203057084 U CN203057084 U CN 203057084U
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CN 201220649261 CN203057084U (zh) | 2012-11-30 | 2012-11-30 | 双比例集成式放大器 |
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CN 201220649261 CN203057084U (zh) | 2012-11-30 | 2012-11-30 | 双比例集成式放大器 |
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CN203057084U true CN203057084U (zh) | 2013-07-10 |
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CN 201220649261 Expired - Fee Related CN203057084U (zh) | 2012-11-30 | 2012-11-30 | 双比例集成式放大器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109236768A (zh) * | 2018-10-22 | 2019-01-18 | 中国石油集团渤海钻探工程有限公司 | 一种带压投送装置的电液比例控制系统 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109236768A (zh) * | 2018-10-22 | 2019-01-18 | 中国石油集团渤海钻探工程有限公司 | 一种带压投送装置的电液比例控制系统 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151026 Address after: 030600, Kou Kou village, 108 National Road, Yuci Industrial Park, Shanxi, Jinzhong Patentee after: SHANXI DIAMOND STAINLESS STEEL TECHNOLOGY CO.,LTD. Address before: 030600 No. 8, Pioneer Road, Yuci Industrial Park, Shanxi, Jinzhong, China Patentee before: Shanxi Fangsheng Hydraulic Mechanical and Electrical Equipment Co.,Ltd. |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160202 Address after: 030600 No. 8, Pioneer Road, Yuci Industrial Park, Shanxi, Jinzhong, China Patentee after: Shanxi Fangsheng Hydraulic Mechanical and Electrical Equipment Co.,Ltd. Address before: 030600, Kou Kou village, 108 National Road, Yuci Industrial Park, Shanxi, Jinzhong Patentee before: SHANXI DIAMOND STAINLESS STEEL TECHNOLOGY CO.,LTD. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20211130 |
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CF01 | Termination of patent right due to non-payment of annual fee |