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经营范围
发明名称
Improvements in or relating to control circuits for cathode ray tubes
摘要
申请公布号
GB631589(A)
申请公布日期
1949.11.07
申请号
GB19450027984
申请日期
1943.07.29
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
分类号
G01S1/02
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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