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一种斩波调压直流电源 专利
专利类型: 实用新型, 申请日期: 1991-10-16, 公开日期: 2009-06-04, 2009-06-11
Inventors:  王玉富;  李春寄
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一种开关电源的调控电路 专利
专利类型: 发明, 申请日期: 1991-05-08, 公开日期: 2009-06-04, 2009-06-11
Inventors:  王玉富;  李春寄
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