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发明名称
Perfectionnements aux phares pour véhicules
摘要
申请公布号
FR702751(A)
申请公布日期
1931.04.16
申请号
FRD702751
申请日期
1930.09.29
申请人
发明人
LEGGATT WILLIAM
分类号
F21V7/00
主分类号
F21V7/00
代理机构
代理人
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