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发明名称
MINERAL MINING PLOUGH
摘要
申请公布号
GB2036833(B)
申请公布日期
1983.02.09
申请号
GB19790041368
申请日期
1979.11.30
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
分类号
E21C27/32;(IPC1-7):E21C27/32
主分类号
E21C27/32
代理机构
代理人
主权项
地址
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