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发明名称
Switching arrangement for compensating voltage variations
摘要
申请公布号
US1928521(A)
申请公布日期
1933.09.26
申请号
US19300480512
申请日期
1930.09.08
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
ALEXANDERSSON HARALD VALDEMAR
分类号
H04M19/00
主分类号
H04M19/00
代理机构
代理人
主权项
地址
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