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经营范围
发明名称
Cathode ray tube
摘要
申请公布号
US2999957(A)
申请公布日期
1961.09.12
申请号
US19570673790
申请日期
1957.07.24
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
SCHAGEN PIETER;CALDER NIGEL DAVID RITCHIE
分类号
H01J31/12
主分类号
H01J31/12
代理机构
代理人
主权项
地址
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