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发明名称
Improvements in and relating to systems for the transmission of signals over inductively coupled lines
摘要
申请公布号
GB507883(A)
申请公布日期
1939.06.22
申请号
GB19380033933
申请日期
1938.11.22
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON;KARL HARRY THUNELL;STEN DANIEL VIGREN;PER HARRY ELIAS CLAESSON
发明人
分类号
H04Q1/48
主分类号
H04Q1/48
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代理人
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