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发明名称
VORRICHTUNG ZUM PRUEFEN DER EIGENSCHAFTEN VON GESTEIN.
摘要
申请公布号
DE3672804(D1)
申请公布日期
1990.08.23
申请号
DE19863672804
申请日期
1986.04.22
申请人
KOOPMANS, ROBERT, ACTON, ONTARIO, CA;HUGHES, ROBIN W., WESTON, ONTARIO, CA
发明人
KOOPMANS, ROBERT, ACTON, ONTARIO, CA;HUGHES, ROBIN W., WESTON, ONTARIO, CA
分类号
E02D1/02;E21B49/00;(IPC1-7):E02D1/02
主分类号
E02D1/02
代理机构
代理人
主权项
地址
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