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发明名称
Presspumpe zum Sprengen von Mineralien
摘要
申请公布号
DE740360(C)
申请公布日期
1943.10.18
申请号
DE1939M146305D
申请日期
1939.10.24
申请人
ADOLF MIDDERMANN
发明人
MIDDERMANN ADOLF
分类号
E21C37/08
主分类号
E21C37/08
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