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发明名称
Device for sinking mine shafts
摘要
申请公布号
GB2111561(A)
申请公布日期
1983.07.06
申请号
GB19820034288
申请日期
1982.12.01
申请人
FRIEDRICH WILHELM * PAURAT;ROLAND * PAURAT
发明人
FRIEDRICH WILHELM * PAURAT;ROLAND * PAURAT
分类号
E21D1/06;(IPC1-7):E21D1/06
主分类号
E21D1/06
代理机构
代理人
主权项
地址
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