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发明名称
Senkstempel fuer den Bogen-, Polygon- oder Tuerstockausbau in Grubenstrecken
摘要
申请公布号
DE1298485(B)
申请公布日期
1969.07.03
申请号
DE1967M072716
申请日期
1967.02.10
申请人
F. W. MOLL SOEHNE
发明人
分类号
E21D11/18
主分类号
E21D11/18
代理机构
代理人
主权项
地址
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