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发明名称
Mehrteiliger eiserner Grubenstempel
摘要
申请公布号
DE812064(C)
申请公布日期
1951.08.27
申请号
DE1949P036727
申请日期
1949.03.15
申请人
GUTEHOFFNUNGSHUETTE OBERHAUSEN A. G.
发明人
SCHAEFER HERMANN DR.-ING.;HERLACH HEINRICH
分类号
E21D15/28
主分类号
E21D15/28
代理机构
代理人
主权项
地址
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