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经营范围
发明名称
MINING PICK STUD
摘要
申请公布号
AU585829(B2)
申请公布日期
1989.06.29
申请号
AU19830017684
申请日期
1983.08.08
申请人
HUDDY DIAMOND CROWN SETTING COMPANY (PROPRIETARY) LIMITED
发明人
WILLIAM DAVID COLLIN
分类号
E21B10/56;E21B10/567;E21C35/18;E21C35/183;(IPC1-7):E21C35/18
主分类号
E21B10/56
代理机构
代理人
主权项
地址
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SPREADING OF NET
NUTATIONSDAEMPFER.
