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发明名称
WERKWIJZE VOOR HET AANBRENGEN IN OF VERWIJDEREN UIT DE GROND VAN EEN BUIS.
摘要
申请公布号
NL2006723(C)
申请公布日期
2012.11.06
申请号
NL20112006723
申请日期
2011.05.05
申请人
SCHADENBERG GWW
发明人
SCHADENBERG, JANNES
分类号
E21B31/20;F16L1/028
主分类号
E21B31/20
代理机构
代理人
主权项
地址
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