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发明名称
Selector
摘要
申请公布号
US2148824(A)
申请公布日期
1939.02.28
申请号
US19370123732
申请日期
1937.02.02
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
LAURENTIUS DAVID
分类号
H01H67/12
主分类号
H01H67/12
代理机构
代理人
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地址
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