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发明名称
Mine roof bolt with resin control surface
摘要
申请公布号
AU2007351846(B2)
申请公布日期
2011.08.04
申请号
AU20070351846
申请日期
2007.04.27
申请人
FCI HOLDINGS DELAWARE, INC.
发明人
OLDSEN, JOHN G.;SIMMONS, WALTER N.;SIMMONS, WALTER J.
分类号
E21D21/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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