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发明名称
Arrangement for preventing the after-glow of the steady luminous spot after the switching-off of television sets employing cathode-ray tubes
摘要
申请公布号
GB762440(A)
申请公布日期
1956.11.28
申请号
GB19540032046
申请日期
1954.11.05
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H04N3/20
主分类号
H04N3/20
代理机构
代理人
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地址
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