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发明名称
Perfectionnements aux lampes électriques
摘要
申请公布号
FR924464(A)
申请公布日期
1947.08.06
申请号
FRD924464
申请日期
1946.03.26
申请人
发明人
CASTERAN JEAN-FRANCOIS
分类号
H01J5/24;H01K1/32
主分类号
H01J5/24
代理机构
代理人
主权项
地址
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