Improved means for the elimination of distortion in telephone lines,申请号GB19290034021-传众专利搜索

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发明名称	Improved means for the elimination of distortion in telephone lines
摘要
申请公布号	GB338352(A)	申请公布日期	1930.11.20
申请号	GB19290034021	申请日期	1929.11.07
申请人	TELEFONAKTIEBOLAGET L.M. ERICSSON	发明人
分类号	H04B3/08	主分类号	H04B3/08
代理机构		代理人
主权项
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