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经营范围
发明名称
Perfectionnement aux tubes à rayons cathodiques
摘要
申请公布号
FR1307150(A)
申请公布日期
1962.10.19
申请号
FR19610880455
申请日期
1961.11.30
申请人
PYE LIMITED
发明人
分类号
H01J29/80
主分类号
H01J29/80
代理机构
代理人
主权项
地址
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