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经营范围
发明名称
Perfectionnements aux dispositifs à décharge dans un milieu ionisé
摘要
申请公布号
FR718823(A)
申请公布日期
1932.01.29
申请号
FRD718823
申请日期
1931.06.18
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
H01J17/58
主分类号
H01J17/58
代理机构
代理人
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地址
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