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发明名称
Perfectionnements aux systèmes de cathode
摘要
申请公布号
FR1225675(A)
申请公布日期
1960.07.04
申请号
FR19580781389
申请日期
1958.12.11
申请人
METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED
发明人
分类号
H01J1/30
主分类号
H01J1/30
代理机构
代理人
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