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经营范围
发明名称
Improvements in or relating to thermionic oscillation generators
摘要
申请公布号
GB410182(A)
申请公布日期
1934.05.14
申请号
GB19320032056
申请日期
1932.11.12
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;WILLIAM ARNOLD APPLETON
发明人
分类号
H03B5/10
主分类号
H03B5/10
代理机构
代理人
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地址
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