Automatic telephone system,申请号GB19400016274-传众专利搜索

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发明名称	Automatic telephone system
摘要
申请公布号	GB544954(A)	申请公布日期	1942.05.05
申请号	GB19400016274	申请日期	1940.11.08
申请人	LEICH ELECTRIC COMPANY	发明人
分类号	H01H67/26	主分类号	H01H67/26
代理机构		代理人
主权项
地址

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