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经营范围
发明名称
Cathode-ray tube screen filter
摘要
申请公布号
US2590080(A)
申请公布日期
1952.03.25
申请号
US19450603932
申请日期
1945.07.09
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
ADAMS PAUL R.
分类号
G01S7/12
主分类号
G01S7/12
代理机构
代理人
主权项
地址
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