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发明名称
Verfahren zum Ab- und Ausbau von Lagerstaetten
摘要
申请公布号
DE1035086(B)
申请公布日期
1958.07.31
申请号
DE1943W013838D
申请日期
1943.03.15
申请人
GERHARD WERNER;KARL IDEL
发明人
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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