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经营范围
发明名称
Perfectionnements aux lampes à arc
摘要
申请公布号
FR55492(E)
申请公布日期
1952.06.30
申请号
FRD55492
申请日期
1942.12.07
申请人
发明人
FERNANDES LORENZO
分类号
H05B31/00
主分类号
H05B31/00
代理机构
代理人
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