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经营范围
发明名称
Automatic control system for television receivers
摘要
申请公布号
GB530426(A)
申请公布日期
1940.12.11
申请号
GB19390018349
申请日期
1939.06.23
申请人
HAZELTINE CORPORATION
发明人
分类号
H04N5/52;H04N5/53
主分类号
H04N5/52
代理机构
代理人
主权项
地址
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