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发明名称
Tuning apparatus
摘要
申请公布号
US2711711(A)
申请公布日期
1955.06.28
申请号
US19530360675
申请日期
1953.06.10
申请人
PHILCO CORPORATION
发明人
HARMAN EMIL I.
分类号
H03J1/04
主分类号
H03J1/04
代理机构
代理人
主权项
地址
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