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发明名称
ANORDNING FOR BORRNING AV HAL I MARKEN
摘要
申请公布号
SE390653(B)
申请公布日期
1977.01.03
申请号
SE19710010254
申请日期
1971.08.11
申请人
STENUICK FRERES S P R L
发明人
STENUICK P
分类号
E21B21/12;(IPC1-7):21B1/06
主分类号
E21B21/12
代理机构
代理人
主权项
地址
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