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经营范围
发明名称
MINING APPARATUS
摘要
申请公布号
GB1593016(A)
申请公布日期
1981.07.15
申请号
GB19780010718
申请日期
1978.03.17
申请人
GEWERKSCHAFT EISENHUTTE WESTFALIA
发明人
分类号
E21D23/18;B65G23/44;E21D23/00;E21F13/08;E21F13/10;(IPC1-7):E21D23/00
主分类号
E21D23/18
代理机构
代理人
主权项
地址
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