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经营范围
发明名称
Werkwijze voor het vervaardigen van een doorgang in een ondergrond, alsmede pijpsectie daarvoor.
摘要
申请公布号
NL1031391(C2)
申请公布日期
2007.09.18
申请号
NL20061031391
申请日期
2006.03.16
申请人
STERK MIDDEN NEDERLAND B.V.
发明人
JOHANNES GERARDUS VAN DE COTERLET
分类号
E21D9/00
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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