Telephone systems including line identifying apparatus,申请号GB19610044747-传众专利搜索

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发明名称	Telephone systems including line identifying apparatus
摘要
申请公布号	GB999292(A)	申请公布日期	1965.07.21
申请号	GB19610044747	申请日期	1961.12.14
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人
分类号	H04M15/28;H04M15/34;H04Q3/00	主分类号	H04M15/28
代理机构		代理人
主权项
地址

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