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发明名称
DRILLING TOOL
摘要
申请公布号
IE781060(L)
申请公布日期
1978.11.27
申请号
IE19780001060
申请日期
1978.05.26
申请人
FAGERSTA AB
发明人
分类号
E21B10/52;(IPC1-7):E21B10/52
主分类号
E21B10/52
代理机构
代理人
主权项
地址
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