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发明名称
Cold and hollow electrode
摘要
申请公布号
US2913298(A)
申请公布日期
1959.11.17
申请号
US19570701671
申请日期
1957.12.09
申请人
CLAUDE PAZ ET VISSEAUX
发明人
LEMAIGRE-VOREAUX PIERRE
分类号
H01J17/06
主分类号
H01J17/06
代理机构
代理人
主权项
地址
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