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发明名称
SCHILDAUSBAUGESTELL
摘要
申请公布号
DE2710718(A1)
申请公布日期
1977.09.15
申请号
DE19772710718
申请日期
1977.03.11
申请人
DOWTY MINING EQUIPMENT LTD.
发明人
HIRST WALKER,JOHN;ANTHONY SUTTON,JAMES
分类号
E21D23/00;E21D23/04;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
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