SCHALTUNGSANORDNUNG ZUR ANRUFERKENNUNG IN FERNSPRECHANLAGEN,申请号DD19790211946-传众专利搜索

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发明名称	SCHALTUNGSANORDNUNG ZUR ANRUFERKENNUNG IN FERNSPRECHANLAGEN
摘要
申请公布号	DD142935(A1)	申请公布日期	1980.07.16
申请号	DD19790211946	申请日期	1979.04.02
申请人	KIRCHNER,SIEGFRIED,DD	发明人	KIRCHNER,SIEGFRIED,DD
分类号	H04M1/57;H04M3/02;(IPC1-7):H04M1/57	主分类号	H04M1/57
代理机构		代理人
主权项
地址

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