CN202547703U - 一种给水泵迷宫式密封的密封水流量在线测量装置 - Google Patents
一种给水泵迷宫式密封的密封水流量在线测量装置 Download PDFInfo
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CN104500435A (zh) * | 2014-11-19 | 2015-04-08 | 国家电网公司 | 一种迷宫式密封锅炉给水泵自动调整装置及方法 |
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CN104500435A (zh) * | 2014-11-19 | 2015-04-08 | 国家电网公司 | 一种迷宫式密封锅炉给水泵自动调整装置及方法 |
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Owner name: HEBEI ELECTRIC POWER CORPORATION ELECTRIC POWER RE Free format text: FORMER OWNER: HEBEI ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20130322 Owner name: STATE ELECTRIC NET CROP. HEBEI ELECTRIC POWER CONS Effective date: 20130322 |
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Free format text: CORRECT: ADDRESS; FROM: 050000 SHIJIAZHUANG, HEBEI PROVINCE TO: 050021 SHIJIAZHUANG, HEBEI PROVINCE |
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Effective date of registration: 20130322 Address after: 050021 Shijiazhuang Province, Yuhua Province Sports street, South Street, No. 238, No. Patentee after: Electric Power Research Institute of Hebei Electric Power Corporation Patentee after: State Grid Corporation of China Patentee after: Hebei Electric Power Construction & Adjustment Research Institute Address before: 050000 Hebei city of Shijiazhuang Province Sports No. 238 South Street Patentee before: Hebei Electric Power Research Institute |
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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: 20121121 Termination date: 20160315 |