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发明名称
Perfectionnement aux lampes électriques portatives
摘要
申请公布号
FR862924(A)
申请公布日期
1941.03.19
申请号
FRD862924
申请日期
1940.01.16
申请人
发明人
TREVES JOSEPH
分类号
F21V9/00;F21V17/02;F21Y101/00
主分类号
F21V9/00
代理机构
代理人
主权项
地址
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