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经营范围
发明名称
Improved Particle Classification Device and Method
摘要
申请公布号
GB1188566(A)
申请公布日期
1970.04.22
申请号
GB19670052278
申请日期
1967.11.16
申请人
DONALDSON COMPANY, INC.
发明人
分类号
B04C5/30;B04C5/24
主分类号
B04C5/30
代理机构
代理人
主权项
地址
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