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发明名称
Fremgangsmåde og apparat til at lave en foret grav i jorden samt en foret grav
摘要
申请公布号
DK0647740(T3)
申请公布日期
1999.11.22
申请号
DK19940202765T
申请日期
1994.09.26
申请人
NEDLAND B.V.
发明人
KETEL, JACOB HERMEN
分类号
E21D9/06;E02D29/05;E21D11/04;(IPC1-7):E02D29/05
主分类号
E21D9/06
代理机构
代理人
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