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发明名称
Apparatus for use in drying or classifying or both drying and classifying loose material
摘要
申请公布号
US2697517(A)
申请公布日期
1954.12.21
申请号
US19520277566
申请日期
1952.03.20
申请人
TOPP HEREWARD J B
发明人
TOPP HEREWARD J. B.
分类号
B07B4/02;B07B4/06
主分类号
B07B4/02
代理机构
代理人
主权项
地址
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