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发明名称
KOPLINGSANORDNING FOR ROTASJONS-SLAGBORMASKIN
摘要
申请公布号
NO142968(B)
申请公布日期
1980.08.11
申请号
NO19740004427
申请日期
1974.12.06
申请人
SANDVIK AB,
发明人
LUNDSTROEM, HANS PER OLOF,;JOHANSSON, ERNST LENNART,
分类号
E21B17/02;E21C;(IPC1-7):E21B17/02
主分类号
E21B17/02
代理机构
代理人
主权项
地址
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