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发明名称
FOERFARANDE OCH ANORDNING FOER REGLERING AV MATNINGSROERELSEN HOS EN BORRSTAONG VID BERGBORRNING
摘要
申请公布号
FI832145(A0)
申请公布日期
1983.06.14
申请号
FI19830002145
申请日期
1983.06.14
申请人
OY TAMPELLA AB
发明人
HARTIALA, EERO;KUUSENTO, JAAKKO;PAASONEN, HANNU
分类号
E21B44/02;E21B3/00;E21B44/06;(IPC1-7):E21C/
主分类号
E21B44/02
代理机构
代理人
主权项
地址
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