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发明名称
Rotary flow classifier
摘要
申请公布号
US3334741(A)
申请公布日期
1967.08.08
申请号
US19660549134
申请日期
1966.05.10
申请人
DOUGLAS AIRCRAFT COMPANY, INC.
发明人
HOFFSTROM BO N.
分类号
B07B4/00
主分类号
B07B4/00
代理机构
代理人
主权项
地址
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