VIERDRAEHTIG DURCHSCHALTENDES, EINE MEHRSTUFIGE UMKEHRGRUPPIERUNG AUFWEISENDES KOPPELFELD,申请号DE19742454144-传众专利搜索

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发明名称	VIERDRAEHTIG DURCHSCHALTENDES, EINE MEHRSTUFIGE UMKEHRGRUPPIERUNG AUFWEISENDES KOPPELFELD
摘要
申请公布号	DE2454144(B2)	申请公布日期	1977.04.14
申请号	DE19742454144	申请日期	1974.11.14
申请人		发明人
分类号	H04Q3/52;H04Q11/04;(IPC1-7):H04Q11/04	主分类号	H04Q3/52
代理机构		代理人
主权项
地址

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