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发明名称
ROCK BOLT
摘要
申请公布号
AU545060(B2)
申请公布日期
1985.06.27
申请号
AU19830011390
申请日期
1983.02.14
申请人
BIRMINGHAM BOLT CO., WALTER, JIM RESOURCES, INC.;WALTER JIM RESOURCES INC
发明人
CLAUDE C. WHITE;FREDERICK CARR
分类号
E21D20/00;E21D20/02;E21D21/00;F16B13/14;(IPC1-7):E21D21/00
主分类号
E21D20/00
代理机构
代理人
主权项
地址
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