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发明名称
Improvements in or relating to low-pressure discharge tubes
摘要
申请公布号
GB721579(A)
申请公布日期
1955.01.05
申请号
GB19520031714
申请日期
1952.12.15
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H01J61/54
主分类号
H01J61/54
代理机构
代理人
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