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发明名称
Perfectionnements aux tubes à rayons cathodiques
摘要
申请公布号
FR754518(A)
申请公布日期
1933.11.08
申请号
FRD754518
申请日期
1933.04.19
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
分类号
H01J29/62
主分类号
H01J29/62
代理机构
代理人
主权项
地址
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