RECTIFIER CIRCUIT PROVIDED WITH POWER-FACTOR IMPROVEMENT CIRCUIT,申请号JP19890075757-传众专利搜索

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发明名称	RECTIFIER CIRCUIT PROVIDED WITH POWER-FACTOR IMPROVEMENT CIRCUIT
摘要
申请公布号	JPH02254975(A)	申请公布日期	1990.10.15
申请号	JP19890075757	申请日期	1989.03.28
申请人	RICOH CO LTD	发明人	TAKAHASHI HIROYUKI
分类号	H02M7/06;H02M3/155;H02M7/12;H02M7/21	主分类号	H02M7/06
代理机构		代理人
主权项
地址

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