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发明名称	FERNSPRECHSCHALTUNG
摘要
申请公布号	DE3637053(A1)	申请公布日期	1987.05.14
申请号	DE19863637053	申请日期	1986.10.31
申请人	STC P.L.C.	发明人	ASHWORTH,DAVID
分类号	H04M19/08;(IPC1-7):H04M19/00	主分类号	H04M19/08
代理机构		代理人
主权项
地址

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