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发明名称
STREBAUSBAUEINRICHTUNG
摘要
申请公布号
DE3408353(A1)
申请公布日期
1984.09.13
申请号
DE19843408353
申请日期
1984.03.07
申请人
DOWTY MINING EQUIPMENT LTD.
发明人
CYRIL ADAMS,RICHARD;ARTHUR BROWN,STEPHEN
分类号
E21C35/12;(IPC1-7):E21D23/04
主分类号
E21C35/12
代理机构
代理人
主权项
地址
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