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发明名称
摘要
申请公布号
DE2546755(B2)
申请公布日期
1980.06.12
申请号
DE19752546755
申请日期
1975.10.18
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA, 4670 LUENEN
发明人
HUESEMANN, HEINZ;HEITKAMP, HERBERT
分类号
E21D9/06;(IPC1-7):E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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