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经营范围
发明名称
DRILL BIT
摘要
申请公布号
CA80504(S)
申请公布日期
1997.04.18
申请号
CANDAT0080504F
申请日期
申请人
CANADIAN FLEXI DRILLS
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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