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经营范围
发明名称
Poralaite ja menetelmä reiän poraamiseksi useaan ePoralaite ja menetelmä reiän poraamiseksi useaan erilaatuiseen maaperään rilaatuiseen maaperään
摘要
申请公布号
FI944640(A0)
申请公布日期
1994.10.05
申请号
FI19940004640
申请日期
1994.10.05
申请人
ILOMAEKI, VALTO
发明人
ILOMAEKI, VALTO
分类号
E21B10/26;E21B10/38;(IPC1-7):E21B
主分类号
E21B10/26
代理机构
代理人
主权项
地址
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