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发明名称
Safety control circuit for electronic amplifiers
摘要
申请公布号
US2589299(A)
申请公布日期
1952.03.18
申请号
US19500163704
申请日期
1950.05.23
申请人
SCTCHELL BARTON T
发明人
SCTCHELL BARTON T.
分类号
H04N3/20
主分类号
H04N3/20
代理机构
代理人
主权项
地址
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