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发明名称
Condenser coupling device
摘要
申请公布号
US1744546(A)
申请公布日期
1930.01.21
申请号
US19290347918
申请日期
1929.03.18
申请人
HOWARD RADIO CO.
发明人
HANSEN LELAND H.
分类号
H03J1/12
主分类号
H03J1/12
代理机构
代理人
主权项
地址
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