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经营范围
发明名称
Dispositif d'inductance
摘要
申请公布号
FR838844(A)
申请公布日期
1939.03.16
申请号
FRD838844
申请日期
1938.06.03
申请人
JOHNSON LABORATORIES INCORPORATED
发明人
分类号
H03H7/01
主分类号
H03H7/01
代理机构
代理人
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