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发明名称
Automatic blanking-level control for television receivers
摘要
申请公布号
US2521146(A)
申请公布日期
1950.09.05
申请号
US19480037859
申请日期
1948.07.09
申请人
PHILCO CORPORATION
发明人
BLAYNEY JAMES LEONARD
分类号
H04N5/18
主分类号
H04N5/18
代理机构
代理人
主权项
地址
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