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发明名称
DEVICE FOR REINFORCING UNDERGROUND PITS OR TUNNELS
摘要
申请公布号
YU122479(A)
申请公布日期
1982.10.31
申请号
YU19790001224
申请日期
1979.05.24
申请人
VOEST AG
发明人
ALTHELER W.;ZITZ A.
分类号
E21D19/04;E21D11/18
主分类号
E21D19/04
代理机构
代理人
主权项
地址
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