CN1996529B - 抗振型指针式sf6气体密度继电器 - Google Patents
抗振型指针式sf6气体密度继电器 Download PDFInfo
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- CN1996529B CN1996529B CN2006100231393A CN200610023139A CN1996529B CN 1996529 B CN1996529 B CN 1996529B CN 2006100231393 A CN2006100231393 A CN 2006100231393A CN 200610023139 A CN200610023139 A CN 200610023139A CN 1996529 B CN1996529 B CN 1996529B
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CN2006100231393A CN1996529B (zh) | 2006-01-06 | 2006-01-06 | 抗振型指针式sf6气体密度继电器 |
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CN1996529A CN1996529A (zh) | 2007-07-11 |
CN1996529B true CN1996529B (zh) | 2012-01-25 |
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CN102543571B (zh) * | 2012-02-14 | 2014-11-05 | 上海乐研电气科技有限公司 | 一种抗振型六氟化硫气体密度继电器 |
CN103715010B (zh) * | 2014-01-16 | 2015-12-02 | 上海乐研电气科技有限公司 | 一种六氟化硫气体密度继电器 |
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Effective date of registration: 20160817 Address after: Qingpu District of Shanghai city Shen brick road building 201700 new No. 221 Building 1 B zone 1 room 123 Patentee after: Shanghai Roye Electronic Science & Technology Co., Ltd. Address before: 201110 room 76, No. 1508, Lane 601, Shanghai, Caobao Road Patentee before: Su Lifang |
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Effective date of registration: 20170214 Address after: 201802 Shanghai City, Jiading District Nanxiang Town, Yun North Road 1755 Lane 21, B zone four Patentee after: Shanghai joy Electric Co., Ltd. Address before: Qingpu District of Shanghai city Shen brick road building 201700 new No. 221 Building 1 B zone 1 room 123 Patentee before: Shanghai Roye Electronic Science & Technology Co., Ltd. |