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发明名称
Tuning apparatus
摘要
申请公布号
US2545681(A)
申请公布日期
1951.03.20
申请号
US19470736435
申请日期
1947.03.22
申请人
PHILCO CORPORATION
发明人
ZEPP LOUIS H.;HAYWARD JOHN W.
分类号
H03J5/30
主分类号
H03J5/30
代理机构
代理人
主权项
地址
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