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发明名称
Screw conveyer
摘要
申请公布号
US2496764(A)
申请公布日期
1950.02.07
申请号
US19460658262
申请日期
1946.03.29
申请人
THE JEFFREY MANUFACTURING COMPANY
发明人
WHITNEY PAUL V.
分类号
B65G33/00
主分类号
B65G33/00
代理机构
代理人
主权项
地址
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