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经营范围
发明名称
Perfectionnements aux circuits de tubes à décharge
摘要
申请公布号
FR867368(A)
申请公布日期
1941.10.20
申请号
FRD867368
申请日期
1940.10.03
申请人
COMPAGNIE DES LAMPES
发明人
分类号
H05B41/06
主分类号
H05B41/06
代理机构
代理人
主权项
地址
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