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经营范围
发明名称
Montage électrique comportant un dispositif filtreur
摘要
申请公布号
FR682308(A)
申请公布日期
1930.05.26
申请号
FRD682308
申请日期
1929.09.25
申请人
THE MULLARD RADIO VALVE CO LTD
发明人
分类号
H02M7/06
主分类号
H02M7/06
代理机构
代理人
主权项
地址
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