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经营范围
发明名称
Combined tuning instrument and mechanical setting therefor
摘要
申请公布号
US2233651(A)
申请公布日期
1941.03.04
申请号
US19390270352
申请日期
1939.04.27
申请人
CONDENSER DEVELOPMENT CORPORATION
发明人
TEAF JOHN H.;SHAFER ALBERT G.
分类号
H03J5/12
主分类号
H03J5/12
代理机构
代理人
主权项
地址
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