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发明名称
Geflanschtes Rinnenprofil, insbesondere fuer den Grubenausbau
摘要
申请公布号
DE1166121(B)
申请公布日期
1964.03.26
申请号
DE1958B050424
申请日期
1958.09.20
申请人
BOCHUMER EISENHUETTE HEINTZMANN & CO.
发明人
HEINTZMANN DIPL.-ING. HANS FRIEDRICH
分类号
E21D11/20
主分类号
E21D11/20
代理机构
代理人
主权项
地址
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