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发明名称
摘要
申请公布号
DE2656792(C3)
申请公布日期
1981.11.12
申请号
DE19762656792
申请日期
1976.12.15
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA, 4670 LUENEN, DE
发明人
LOEBBE, ARMIN;PENZEK, HANS-JUERGEN, 4614 OBERADEN, DE;BREUER, OSWALD, 4600 DORTMUND, DE
分类号
E21C35/12;E21C27/32;(IPC1-7):E21C27/32
主分类号
E21C35/12
代理机构
代理人
主权项
地址
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