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经营范围
发明名称
Hydraulischer Grubenstempel
摘要
申请公布号
DE1152079(B)
申请公布日期
1963.08.01
申请号
DE1957B043904
申请日期
1957.03.14
申请人
BOCHUMER EISENHUETTE HEINTZMANN & CO.
发明人
BLENKLE ERWIN
分类号
E21D15/45
主分类号
E21D15/45
代理机构
代理人
主权项
地址
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