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发明名称
MINE ROOF SUPPORT STRUCTURE
摘要
申请公布号
AU5480780(A)
申请公布日期
1980.07.31
申请号
AU19800054807
申请日期
1980.01.22
申请人
VOEST-ALPINE A.G.
发明人
HEINRICH SUESSENBECK;ALFRED ZITZ;ANDREAS PAKH
分类号
E21D23/00;E21D23/04
主分类号
E21D23/00
代理机构
代理人
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地址
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