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发明名称
Appareil de prélèvement d'échantillons à étages réducteurs superposés en colonne
摘要
申请公布号
FR1295132(A)
申请公布日期
1962.06.01
申请号
FR19610867906
申请日期
1961.07.13
申请人
RHEINISCHE KALKSTEINWERKE G.M.B.H.
发明人
分类号
G01N1/20
主分类号
G01N1/20
代理机构
代理人
主权项
地址
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