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发明名称
Improvements in or relating to electric discharge tubes of the kind comprising a mercury cathode and a gas filling
摘要
申请公布号
GB720869(A)
申请公布日期
1954.12.29
申请号
GB19530009059
申请日期
1953.04.01
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H01J13/08;H01J17/00
主分类号
H01J13/08
代理机构
代理人
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