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发明名称
Improvements in or relating to the manufacture of electric discharge tubes
摘要
申请公布号
GB656522(A)
申请公布日期
1951.08.22
申请号
GB19470023671
申请日期
1947.08.27
申请人
PHILIPS ELECTRICAL LIMITED
发明人
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
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