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发明名称
Perfectionnement aux plots, blocs et dalles en caoutchouc, utilisables pour la signalisation routière
摘要
申请公布号
FR799926(A)
申请公布日期
1936.06.23
申请号
FRD799926
申请日期
1935.03.26
申请人
发明人
ROBERT MARCEL, RAPHAEL
分类号
E01F9/06
主分类号
E01F9/06
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代理人
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