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发明名称
Verfahren zur Gewinnung von Kohle oder anderen Mineralien durch Abdruecken mittels Druckwasser
摘要
申请公布号
DE1014048(B)
申请公布日期
1957.08.22
申请号
DE1954G015047
申请日期
1954.08.03
申请人
KONRAD GREBE
发明人
GREBE KONRAD
分类号
E21C37/12
主分类号
E21C37/12
代理机构
代理人
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地址
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