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发明名称
METHOD OF ASSEMBLING A PREFABRICATED MINE SHAFT LINING
摘要
申请公布号
PL237717(A1)
申请公布日期
1984.01.30
申请号
PL19820237717
申请日期
1982.07.29
申请人
POLITECHNIKA SLASKA IM WINCENT
发明人
GLUCH PIOTR
分类号
E21D;E21D5/01;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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