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经营范围
发明名称
Ausbaubock fuer wandernden Strebausbau
摘要
申请公布号
DE1533754(B)
申请公布日期
1970.10.08
申请号
DED1533754
申请日期
1967.04.28
申请人
MASTABAR MINING EQUIPMENT CO.LTD.
发明人
SHUTTLEWORTH,PETER
分类号
E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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