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发明名称
PERCUSSION DRILL BIT
摘要
申请公布号
CA714951(A)
申请公布日期
1965.08.03
申请号
CAD714951
申请日期
申请人
SANDVIKENS JERNVERKS AKTIEBOLAG
发明人
CURT V. DAHLIN;JOHN A. HJALSTEN;KARL E. JERNBERG
分类号
主分类号
代理机构
代理人
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