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发明名称
Grubenstempel
摘要
申请公布号
DE872189(C)
申请公布日期
1953.03.30
申请号
DE1948P009631
申请日期
1948.10.01
申请人
BOCHUMER EISENHUETTE HEINTZMANN & CO.
发明人
EPPINGER HANS DIPL.-ING.
分类号
E21D15/28;E21D15/43
主分类号
E21D15/28
代理机构
代理人
主权项
地址
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