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发明名称
Perfectionnements aux appareils radioscopiques
摘要
申请公布号
FR1020597(A)
申请公布日期
1953.02.09
申请号
FRD1020597
申请日期
1950.06.21
申请人
SOCIETE D'ETUDES ET DE CONSTRUCTIONS D'APPAREILLAGES SCIENTIFIQUES ET INDUSTRIELS
发明人
分类号
H01J31/49
主分类号
H01J31/49
代理机构
代理人
主权项
地址
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