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经营范围
发明名称
Perfectionnements aux lampes à incandescence
摘要
申请公布号
FR842265(A)
申请公布日期
1939.06.08
申请号
FRD842265
申请日期
1938.08.18
申请人
COMPAGNIE DES LAMPES
发明人
分类号
H01K1/16
主分类号
H01K1/16
代理机构
代理人
主权项
地址
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