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发明名称
摘要
申请公布号
DE2619829(B2)
申请公布日期
1980.11.06
申请号
DE19762619829
申请日期
1976.05.05
申请人
DR. R. FENNE GMBH & CO EISEN- UND METALLPRODUKTE KG, 4270 DORSTEN
发明人
KOETTER, EGON, 4270 DORSTEN
分类号
E21D11/15;E21D11/28;(IPC1-7):E21D11/28
主分类号
E21D11/15
代理机构
代理人
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