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发明名称
Perfectionnements apportés aux lampes à décharges électriques
摘要
申请公布号
FR1147851(A)
申请公布日期
1957.12.02
申请号
FRD1147851
申请日期
1956.04.21
申请人
SIEMENS BROTHERS & CO LIMITED
发明人
分类号
H01J61/20;H01J61/86
主分类号
H01J61/20
代理机构
代理人
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