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发明名称
Improvements in or relating to thermionic amplifiers
摘要
申请公布号
GB414135(A)
申请公布日期
1934.08.02
申请号
GB19330003221
申请日期
1933.02.02
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
分类号
H03D1/16
主分类号
H03D1/16
代理机构
代理人
主权项
地址
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