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发明名称
Thermionic amplifier system
摘要
申请公布号
US1765603(A)
申请公布日期
1930.06.24
申请号
US19260091795
申请日期
1926.03.02
申请人
STORY & CLARK RADIO CORP.
发明人
MINNIUM BYRON B.
分类号
H03F1/16
主分类号
H03F1/16
代理机构
代理人
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地址
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