Improvements in apparatus for testing telegraph apparatus,申请号GB19340011568-传众专利搜索

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发明名称	Improvements in apparatus for testing telegraph apparatus
摘要
申请公布号	GB430599(A)	申请公布日期	1935.06.21
申请号	GB19340011568	申请日期	1934.04.17
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;DENNIS CLARK ESPLEY	发明人
分类号	H04L12/26;H04L25/04	主分类号	H04L12/26
代理机构		代理人
主权项
地址

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