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经营范围
发明名称
Perfectionnements aux ampoules électriques
摘要
申请公布号
FR708588(A)
申请公布日期
1931.07.25
申请号
FRD708588
申请日期
1930.12.30
申请人
发明人
EID RAPHAEL
分类号
H01J5/08
主分类号
H01J5/08
代理机构
代理人
主权项
地址
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