发明名称 Arrangement for supporting rocks
摘要 The present invention concerns an arrangement for supporting rocks in the form of a cable with a number of strands 1 - 8, in which the strands 1 - 8 are wound about or impressed on a central core 9 which is hollow and has a flexible wall. <IMAGE>
申请公布号 SE464315(B) 申请公布日期 1991.04.08
申请号 SE19880002555 申请日期 1988.07.08
申请人 SWEDWIRE AB 发明人 L * ALTNER
分类号 E21D20/00 主分类号 E21D20/00
代理机构 代理人
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