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经营范围
发明名称
Kopf fuer Grubenstempel
摘要
申请公布号
DE808104(C)
申请公布日期
1951.07.09
申请号
DE1948P012392
申请日期
1948.10.02
申请人
GUTEHOFFNUNGSHUETTE OBERHAUSEN A.G.
发明人
FROEHLICH DIPL.-ING. KARL;HUSSMANN WILHELM
分类号
E21D15/54
主分类号
E21D15/54
代理机构
代理人
主权项
地址
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