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经营范围
发明名称
MINING APPARATUS
摘要
申请公布号
GB9126723(D0)
申请公布日期
1992.02.12
申请号
GB19910026723
申请日期
1991.12.17
申请人
MECO FACE END SYSTEMS LIMITED
发明人
分类号
E21F13/08;E21F13/10
主分类号
E21F13/08
代理机构
代理人
主权项
地址
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