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经营范围
发明名称
Circuit arrangement for amplifying image signals and synchronizing signals
摘要
申请公布号
US2500831(A)
申请公布日期
1950.03.14
申请号
US19460704133
申请日期
1946.10.18
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
KERKHOF FREDERIK
分类号
H03F3/189;H04N5/14
主分类号
H03F3/189
代理机构
代理人
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地址
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