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刘国海
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Patents

Current position: Home  >  Scientific Research  >  Patents

一种谐波电流检测仪及检测方法

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Type of Patent:发明

State of Patent:已失效

Authorization number:200910184307.0

Service Invention or Not:no

Application Date:2009-08-12

Authorization Date:2011-11-16

Application Date:2009-08-12

Authorization Date:2011-11-16