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发明名称
DUMPING CONVEYOR
摘要
申请公布号
PL157242(B1)
申请公布日期
1992.05.29
申请号
PL19870268162
申请日期
1987.10.12
申请人
发明人
分类号
E21C47/04;B65G65/28;(IPC1-7):E02F3/18
主分类号
E21C47/04
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代理人
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