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发明名称
Clou de signalisation lumineux
摘要
申请公布号
FR772447(A)
申请公布日期
1934.10.29
申请号
FRD772447
申请日期
1934.04.26
申请人
发明人
MAURICE DESGOUTTE,
分类号
E01F9/06
主分类号
E01F9/06
代理机构
代理人
主权项
地址
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