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发明名称
METHOD OF PREVENTING GEO MAGNETIC AFFECTION AND CATHODE RAY TUBE HAVING GEOMAGNETIC AFFECTION PREVENTION DEVICE
摘要
申请公布号
KR100237221(B1)
申请公布日期
2000.01.15
申请号
KR19970061692
申请日期
1997.11.21
申请人
SAMSUNG SDI CO., LTD.
发明人
LEE, SANG-HUN
分类号
H01J29/00;H01J29/58;H04N9/29;(IPC1-7):H01J29/58
主分类号
H01J29/00
代理机构
代理人
主权项
地址
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