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发明名称
Hoisting solid aggregates in liquids
摘要
申请公布号
US3003820(A)
申请公布日期
1961.10.10
申请号
US19590815674
申请日期
1959.05.25
申请人
GARDNER JR PERCY S
发明人
JR. PERCY S. GARDNER,
分类号
B65G53/30
主分类号
B65G53/30
代理机构
代理人
主权项
地址
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