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发明名称
Nachgiebiger zweiteiliger Grubenstempel
摘要
申请公布号
DE818488(C)
申请公布日期
1951.10.25
申请号
DE1950B002137
申请日期
1950.02.18
申请人
BRAND JOSEF
发明人
BRAND JOSEF
分类号
E21D15/502
主分类号
E21D15/502
代理机构
代理人
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