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经营范围
发明名称
Improvements in or relating to cooling devices for electric discharge tubes
摘要
申请公布号
GB650130(A)
申请公布日期
1951.02.14
申请号
GB19480016083
申请日期
1948.06.15
申请人
PHILIPS ELECTRICAL LIMITED
发明人
分类号
H01J19/36
主分类号
H01J19/36
代理机构
代理人
主权项
地址
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