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发明名称
Perfectionnement aux lampes électriques
摘要
申请公布号
FR971934(A)
申请公布日期
1951.01.23
申请号
FRD971934
申请日期
1940.10.26
申请人
SOCIETE POUR LA FABRICATION DES PROJECTEURS ELECTRIQUES MARCHAL
发明人
分类号
H01K1/28
主分类号
H01K1/28
代理机构
代理人
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地址
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