Improvements in or relating to routine testing equipment for telephone or like systems,申请号GB19310035591-传众专利搜索

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发明名称	Improvements in or relating to routine testing equipment for telephone or like systems
摘要
申请公布号	GB391907(A)	申请公布日期	1933.05.11
申请号	GB19310035591	申请日期	1931.12.23
申请人	AUTOMATIC ELECTRIC COMPANY LIMITED;PAUL BERTRAM TANCRED	发明人
分类号	H04Q1/20	主分类号	H04Q1/20
代理机构		代理人
主权项
地址

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