Improvements in telephone or like systems,申请号GB19350034932-传众专利搜索

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发明名称	Improvements in telephone or like systems
摘要
申请公布号	GB467442(A)	申请公布日期	1937.06.16
申请号	GB19350034932	申请日期	1935.12.16
申请人	AUTOMATIC ELECTRIC COMPANY LIMITED;WILLIE SAVILLE;AUSTIN HUGH WILLIAMS	发明人
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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