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发明名称
Vacuum tube oscillators
摘要
申请公布号
GB667284(A)
申请公布日期
1952.02.27
申请号
GB19490002994
申请日期
1949.02.03
申请人
PHILCO CORPORATION
发明人
分类号
H03B5/10;H03D11/02
主分类号
H03B5/10
代理机构
代理人
主权项
地址
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