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经营范围
发明名称
Perfectionnements apportés aux tubes à rayons x
摘要
申请公布号
FR38029(E)
申请公布日期
1931.03.03
申请号
FRD38029
申请日期
1930.02.26
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
H01J35/08
主分类号
H01J35/08
代理机构
代理人
主权项
地址
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