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发明名称
Tube de braun à concentration électrostatique du faisceau
摘要
申请公布号
FR880382(A)
申请公布日期
1943.03.24
申请号
FRD880382
申请日期
1942.03.23
申请人
LICENTIA PATENT-VERWALTUNGS-GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
分类号
H01J29/62
主分类号
H01J29/62
代理机构
代理人
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地址
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