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发明名称
PLATEHVELV FOR TUNNELER, FJELLHALLER O.L.
摘要
申请公布号
NO165734(B)
申请公布日期
1990.12.17
申请号
NO19880004967
申请日期
1988.11.08
申请人
OERSTA STAALINDUSTRI A/S
发明人
FLAASKJER, KJELL
分类号
E21D;E21D11/04;E21D11/38;(IPC1-7):E21D11/38
主分类号
E21D
代理机构
代理人
主权项
地址
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