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发明名称
Hydraulischer Grubenstempel
摘要
申请公布号
DE1229480(B)
申请公布日期
1966.12.01
申请号
DE1961B062205
申请日期
1961.04.20
申请人
BOCHUMER EISENHUETTE HEINTZMANN & CO.
发明人
BLENKLE ERWIN
分类号
E21D15/44;F16J1/00;F16J10/02
主分类号
E21D15/44
代理机构
代理人
主权项
地址
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