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发明名称
Improvements relating to thermionic valve oscillators
摘要
申请公布号
GB630219(A)
申请公布日期
1949.10.07
申请号
GB19470004853
申请日期
1947.02.19
申请人
GRAHAM JOHN SCOLES;METROPOLITAN - VICKERS ELECTRICAL COMPANY LIMITED
发明人
分类号
H03K4/16
主分类号
H03K4/16
代理机构
代理人
主权项
地址
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