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发明名称
Appareils à décharge électronique
摘要
申请公布号
FR866094(A)
申请公布日期
1941.06.16
申请号
FRD866094
申请日期
1940.06.08
申请人
LE MATERIEL TELEPHONIQUE SOCIETE ANONYME
发明人
分类号
H01J3/02;H01J21/02;H01J25/06
主分类号
H01J3/02
代理机构
代理人
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地址
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