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经营范围
发明名称
Méthode pour prélever un échantillon de sol vierge, et appareil propre à la mise en oeuvre de celle-ci
摘要
申请公布号
FR1448623(A)
申请公布日期
1966.08.05
申请号
FR19650033295
申请日期
1965.09.30
申请人
STICHTING WATERBOUWKUNDIG LABORATORIUM
发明人
分类号
E21B25/06
主分类号
E21B25/06
代理机构
代理人
主权项
地址
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