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发明名称
TUBBING ZUR AUSKLEIDUNG VON TUNNELN OD.DGL.
摘要
申请公布号
ATA315075(A)
申请公布日期
1977.11.15
申请号
AT19750003150
申请日期
1975.04.24
申请人
RHEINSTAHL AKTIENGESELLSCHAFT
发明人
分类号
E21D5/10;E21D11/20;(IPC1-7):E21D11/14
主分类号
E21D5/10
代理机构
代理人
主权项
地址
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