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发明名称
Selecting means in cross bar switches
摘要
申请公布号
US3001023(A)
申请公布日期
1961.09.19
申请号
US19570654477
申请日期
1957.04.23
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
LUNDKVIST KARL AXEL;ERICSSON ERIC ARVID;JOHNSON KARL GEORG;ALEXANDERSSON HARALD VALDEMAR
分类号
H01H67/26
主分类号
H01H67/26
代理机构
代理人
主权项
地址
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