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经营范围
发明名称
Appareil pour prélever des échantillons de terrains
摘要
申请公布号
FR1078049(A)
申请公布日期
1954.11.15
申请号
FRD1078049
申请日期
1953.06.04
申请人
发明人
GRIMAUD GUSTAVE
分类号
E21B49/02
主分类号
E21B49/02
代理机构
代理人
主权项
地址
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