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发明名称
摘要
申请公布号
DE2652369(C3)
申请公布日期
1979.07.12
申请号
DE19762652369
申请日期
1976.11.17
申请人
DEUMU DEUTSCHE ERZ- UND METALL-UNION GMBH, 3000 HANNOVER
发明人
BERGMANN, ROLF, 3320 SALZGITTER
分类号
E21D11/15;(IPC1-7):E21D11/15;E21D11/10
主分类号
E21D11/15
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