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发明名称
Perfectionnements aux lampes à arc munies d'électrodes métalliques
摘要
申请公布号
FR680663(A)
申请公布日期
1930.05.05
申请号
FRD680663
申请日期
1929.08.22
申请人
COMPAGNIE DES LAMPES
发明人
分类号
H01J61/54;H01J61/86;H05B31/00
主分类号
H01J61/54
代理机构
代理人
主权项
地址
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