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发明名称
Perfectionnements aux lampes dites baladeuses
摘要
申请公布号
FR937595(A)
申请公布日期
1948.08.20
申请号
FRD937595
申请日期
1946.12.27
申请人
发明人
WEIL ROBERT
分类号
F21V15/02
主分类号
F21V15/02
代理机构
代理人
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地址
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