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发明名称
Continuous vortical classifier
摘要
申请公布号
US2897965(A)
申请公布日期
1959.08.04
申请号
US19530378707
申请日期
1953.09.08
申请人
NORRIS GOODWIN;G. G. SANDERS
发明人
GOODWIN NORRIS
分类号
B04C5/12
主分类号
B04C5/12
代理机构
代理人
主权项
地址
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