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经营范围
发明名称
Tube à rayons cathodiques
摘要
申请公布号
FR849696(A)
申请公布日期
1939.11.29
申请号
FRD849696
申请日期
1939.01.31
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
分类号
H01J29/82
主分类号
H01J29/82
代理机构
代理人
主权项
地址
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