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发明名称
Dispositif à décharge d'électrons
摘要
申请公布号
FR1297432(A)
申请公布日期
1962.06.29
申请号
FR19610869933
申请日期
1961.08.03
申请人
VARIAN ASSOCIATES
发明人
分类号
H01J23/207;H01J25/24
主分类号
H01J23/207
代理机构
代理人
主权项
地址
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