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发明名称
FOERFARANDE OCH ANORDNING FOER BRYTNING AV BEGRAENSADE MALMFOEREKOMSTER.
摘要
申请公布号
FI893903(A)
申请公布日期
1989.08.18
申请号
FI19890003903
申请日期
1989.08.18
申请人
ALIMAK AB
发明人
GRANSKOG, ROLAND
分类号
E21C41/16;E21C41/22;(IPC1-7):E21C/
主分类号
E21C41/16
代理机构
代理人
主权项
地址
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