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经营范围
发明名称
Condenser
摘要
申请公布号
US1742231(A)
申请公布日期
1930.01.07
申请号
US19250030330
申请日期
1925.05.14
申请人
VICTOR TALKING MACHINE COMPANY
发明人
CADELL JOHN F.
分类号
H01G5/06
主分类号
H01G5/06
代理机构
代理人
主权项
地址
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