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发明名称
Poteau à chapeau pour balisages en temps de guerre
摘要
申请公布号
FR862218(A)
申请公布日期
1941.03.01
申请号
FRD862218
申请日期
1939.12.12
申请人
GAUCHERAND
发明人
分类号
E01F9/011
主分类号
E01F9/011
代理机构
代理人
主权项
地址
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