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发明名称
Improvements in or relating to projectors for the image of a cathode-ray tube
摘要
申请公布号
GB605122(A)
申请公布日期
1948.07.16
申请号
GB19450033932
申请日期
1945.12.14
申请人
PHILIPS LAMPS LIMITED
发明人
分类号
G02B17/08;H01J29/89;H04N5/74
主分类号
G02B17/08
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代理人
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