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发明名称
Selector
摘要
申请公布号
US2239329(A)
申请公布日期
1941.04.22
申请号
US19380235855
申请日期
1938.10.19
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
LINDSTROM HELGE EDVARD
分类号
H01H67/12
主分类号
H01H67/12
代理机构
代理人
主权项
地址
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