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发明名称
Perfectionnements aux lampes à décharge
摘要
申请公布号
FR848127(A)
申请公布日期
1939.10.24
申请号
FRD848127
申请日期
1938.12.29
申请人
COMPAGNIE DES LAMPES
发明人
分类号
H01J61/54
主分类号
H01J61/54
代理机构
代理人
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