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发明名称
MEANS FOR LINING THE ROOF OR WALL OF AN UNDERGROUND TUNNEL OR GALLERY
摘要
申请公布号
GB1244574(A)
申请公布日期
1971.09.02
申请号
GB19690027116
申请日期
1969.05.28
申请人
WILHELM KACIC
发明人
WILHELM KACIC
分类号
E21D11/15
主分类号
E21D11/15
代理机构
代理人
主权项
地址
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