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发明名称
D.C. RESTORER FOR MAINTAINING CONSTANT BLACK LEVEL AT CATHODE-RAY TUBE
摘要
申请公布号
CA494649(A)
申请公布日期
1953.07.21
申请号
CAD494649
申请日期
申请人
HAZELTINE CORPORATION
发明人
WILLIAM F. BAILEY
分类号
主分类号
代理机构
代理人
主权项
地址
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