发明名称 Rock anchor
摘要 The rock anchor with a fibreglass-reinforced anchor bar has a plastic anchor head which is integrally moulded on the anchor rod and in which an insert of a metal of high tensile strength is located concentrically to the anchor bar.
申请公布号 DE3313003(A1) 申请公布日期 1984.10.18
申请号 DE19833313003 申请日期 1983.04.12
申请人 BWZ BERG- UND INDUSTRIETECHNIK GMBH 发明人 MARSCH,WALTER,DIPL.-ING.
分类号 E21D21/00;(IPC1-7):E21D21/00 主分类号 E21D21/00
代理机构 代理人
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