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经营范围
发明名称
A rock bolt
摘要
申请公布号
GB2296063(B)
申请公布日期
1998.03.04
申请号
GB19960002400
申请日期
1994.08.09
申请人
THE * BROKEN HILL PROPRIETARY COMPANY LIMITED
发明人
WINTON JAMES * GALE;MIECZSLAW 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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