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发明名称
Thermionic valve oscillation generator
摘要
申请公布号
US2254739(A)
申请公布日期
1941.09.02
申请号
US19390281379
申请日期
1939.06.27
申请人
CINEMA-TELEVISION LIMITED
发明人
GRAYSON HARRY
分类号
H03B5/10;H03J5/24
主分类号
H03B5/10
代理机构
代理人
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地址
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