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发明名称
Frequency selector
摘要
申请公布号
GB878041(A)
申请公布日期
1961.09.20
申请号
GB19570034783
申请日期
1957.11.07
申请人
STANDARD COIL PRODUCTS CO., INC.
发明人
THIAS EDWIN P.
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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