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经营范围
发明名称
Air condenser
摘要
申请公布号
US1777042(A)
申请公布日期
1930.09.30
申请号
US19240710514
申请日期
1924.05.02
申请人
RADIO CORPORATION OF AMERICA
发明人
KROGER FRED H.
分类号
H01G4/02
主分类号
H01G4/02
代理机构
代理人
主权项
地址
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