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发明名称
Mining machine and shaking conveyor combination and the conveyor
摘要
申请公布号
US3368848(A)
申请公布日期
1968.02.13
申请号
US19620229264
申请日期
1962.10.03
申请人
CHARLES R. HUGHES
发明人
HUGHES CHARLES R.
分类号
E21C35/20
主分类号
E21C35/20
代理机构
代理人
主权项
地址
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