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发明名称
ANORDNING FOER ATT STYRA EN BORRKRONA
摘要
申请公布号
FI67602(B)
申请公布日期
1984.12.31
申请号
FI19790000596
申请日期
1979.02.21
申请人
HAGLUND MATS TORBJOERN
发明人
HAGLUND MATS TORBJOERN
分类号
E21B7/06;E21B7/08;E21B17/20;(IPC1-7):E21B7/08;E21B47/022
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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