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发明名称
ROCK BOLT
摘要
<p>A rock bolt comprising an elongate tubular body with filler material inside the body at one end which is deformed into a U-shape. 23 c : 16 b 20 FIGURE 1 20 36 FGURE 2</p>
申请公布号
AU2012261580(B2)
申请公布日期
2015.04.02
申请号
AU20120261580
申请日期
2012.12.07
申请人
RSC MINING (PTY) LTD
发明人
STEYN, JOHANN
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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