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经营范围
发明名称
Perfectionnements aux lampes à incandescence
摘要
申请公布号
FR1063090(A)
申请公布日期
1954.04.29
申请号
FRD1063090
申请日期
1952.05.16
申请人
COMPAGNIE DES LAMPES
发明人
分类号
H01J5/20
主分类号
H01J5/20
代理机构
代理人
主权项
地址
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