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发明名称
Perfectionnements aux lampes électriques de poche
摘要
申请公布号
FR862153(A)
申请公布日期
1941.02.28
申请号
FRD862153
申请日期
1939.12.07
申请人
COMPAGNIE GENERALE DES PILES WONDER
发明人
分类号
F21L4/00;F21V17/02
主分类号
F21L4/00
代理机构
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