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发明名称
摘要
申请公布号	DE2137820(A1)	申请公布日期	1972.02.03
申请号	DE19712137820	申请日期	1971.07.28
申请人	IWATSU ELECTRIC CO LTD	发明人
分类号	H03K4/50;H03K4/501;H03K4/56;H03K4/793;H03K5/153;(IPC1-7):H03K5/13	主分类号	H03K4/50
代理机构		代理人
主权项
地址

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