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发明名称
An improved arrangement for the prevention of cross-talk
摘要
申请公布号
GB390227(A)
申请公布日期
1933.04.06
申请号
GB19310027794
申请日期
1931.10.06
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
分类号
H01B13/02;H04B3/32
主分类号
H01B13/02
代理机构
代理人
主权项
地址
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