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发明名称
Lanterne pour signalisation de chantiers de voierie, rues barrées, tranchées, obstacles ou épaves
摘要
申请公布号
FR874180(A)
申请公布日期
1942.07.30
申请号
FRD874180
申请日期
1941.07.25
申请人
发明人
BARDIN LOUIS-EMILE
分类号
F21L4/00
主分类号
F21L4/00
代理机构
代理人
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