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发明名称
Kallionporauslaite
摘要
申请公布号
FI924267(A)
申请公布日期
1993.03.25
申请号
FI19920004267
申请日期
1992.09.23
申请人
UNIROC AB
发明人
RODERT, JOERGEN;ANDERSSON, KURT
分类号
E21B3/00;E21B7/20;E21B17/00;E21B17/042
主分类号
E21B3/00
代理机构
代理人
主权项
地址
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