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发明名称
Structures de canons à électrons
摘要
申请公布号
FR56838(E)
申请公布日期
1952.10.07
申请号
FRD56838
申请日期
1947.06.26
申请人
LE MATERIEL TELEPHONIQUE
发明人
TOURATON EMILE;ZWOBADA RENE
分类号
H01J3/02
主分类号
H01J3/02
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