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发明名称
Perfectionnements aux isolateurs d'introduction
摘要
申请公布号
FR780206(A)
申请公布日期
1935.04.20
申请号
FRD780206
申请日期
1934.10.25
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
分类号
H01B17/30
主分类号
H01B17/30
代理机构
代理人
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