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发明名称
RANGING DRUM SHEARERS
摘要
申请公布号
EP0307213(B1)
申请公布日期
1992.08.05
申请号
EP19880308328
申请日期
1988.09.09
申请人
ANDERSON GROUP PLC
发明人
PORTEOUS, ALEXANDER;MCINTOCH, ANGUS JOHN
分类号
E21C27/02;E21C31/10
主分类号
E21C27/02
代理机构
代理人
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地址
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