ELECTRICAL CIRCUIT FOR TRANSFORMING A FIRST DIRECT VOLTAGE INTO A SECOND DIRECT VOLTAGE,申请号CAD546976-传众专利搜索

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发明名称	ELECTRICAL CIRCUIT FOR TRANSFORMING A FIRST DIRECT VOLTAGE INTO A SECOND DIRECT VOLTAGE
摘要
申请公布号	CA546976(A)	申请公布日期	1957.10.01
申请号	CAD546976	申请日期
申请人	N.V. PHILIPS GLOEILAMPENFABRIEKEN	发明人	TJISKE DOUMA
分类号		主分类号
代理机构		代理人
主权项
地址

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