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发明名称
Perfectionnements aux tubes à décharge
摘要
申请公布号
FR801145(A)
申请公布日期
1936.07.28
申请号
FRD801145
申请日期
1936.01.25
申请人
COMPAGNIE DES LAMPES
发明人
分类号
H01J61/067
主分类号
H01J61/067
代理机构
代理人
主权项
地址
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