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发明名称
Réseau électrique
摘要
申请公布号
FR48295(E)
申请公布日期
1937.12.27
申请号
FRD48295
申请日期
1937.04.05
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
分类号
H03H7/46;H04J1/08
主分类号
H03H7/46
代理机构
代理人
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地址
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