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发明名称
摘要
申请公布号
DE2906146(B2)
申请公布日期
1981.03.12
申请号
DE19792906146
申请日期
1979.02.17
申请人
BOCHUMER EISENHUETTE HEINTZMANN GMBH & CO, 4630 BOCHUM, DE
发明人
KOPPERS, ING.(GRAD.), MANFRED, 4100 DUISBURG, DE;BOHNES, KARLHEINZ, DIPL.-ING.;MARR, PETER, 4630 BOCHUM, DE
分类号
E21D23/16;(IPC1-7):E21D23/16
主分类号
E21D23/16
代理机构
代理人
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