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发明名称
Device for signaling or releasing by electric power capacitors
摘要
申请公布号
US2449817(A)
申请公布日期
1948.09.21
申请号
US19440528758
申请日期
1944.03.30
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
NORDELL ROBERT
分类号
H02H7/16
主分类号
H02H7/16
代理机构
代理人
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