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经营范围
发明名称
MINE ROOF SUPPORT
摘要
申请公布号
AU503621(B2)
申请公布日期
1979.09.13
申请号
AU19760017170
申请日期
1976.08.26
申请人
GEWERKSCHAFT EISENHUTTE WESTFALIA
发明人
B. ELSNER;L. PLEVAK;G. LAGODKA;H. ROSENBERG
分类号
E21D23/00;E21D23/04;(IPC1-7):E21D23/04;E21D23/08
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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