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经营范围
发明名称
Perfectionnements aux tubes à décharge
摘要
申请公布号
FR820595(A)
申请公布日期
1937.11.15
申请号
FRD820595
申请日期
1937.04.14
申请人
COMPAGNIE DES LAMPES;COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
H01J61/10
主分类号
H01J61/10
代理机构
代理人
主权项
地址
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