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经营范围
发明名称
A rock bolt
摘要
申请公布号
AU677089(B2)
申请公布日期
1997.04.10
申请号
AU19940073773
申请日期
1994.08.09
申请人
THE BROKEN HILL PROPRIETARY COMPANY LIMITED
发明人
WINTON JAMES GALE;MIECZYSLAW WIESLAW FABJANCZYK;MAXWELL THOMAS RENWICK
分类号
E21D21/00;(IPC1-7):E21D21/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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