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经营范围
发明名称
Improvements in or relating to electric discharge tubes with deflection control
摘要
申请公布号
GB600429(A)
申请公布日期
1948.04.08
申请号
GB19450026313
申请日期
1945.10.09
申请人
PHILIPS LAMPS LIMITED
发明人
分类号
H01J21/14
主分类号
H01J21/14
代理机构
代理人
主权项
地址
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