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发明名称
Thread structure for rock drilling
摘要
申请公布号
GB9614179(D0)
申请公布日期
1996.09.04
申请号
GB19960014179
申请日期
1996.07.05
申请人
BOART LONGYEAR LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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