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发明名称
Perfectionnement dans la fabrication des ampoules d'oscillographes cathodiques
摘要
申请公布号
FR908220(A)
申请公布日期
1946.04.03
申请号
FRD908220
申请日期
1944.06.23
申请人
SOCIETE FRANCAISE RADIO ELECTRIQUE
发明人
分类号
C03B9/34;C03B9/36
主分类号
C03B9/34
代理机构
代理人
主权项
地址
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