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发明名称
Apparatus for separating material
摘要
申请公布号
US2245942(A)
申请公布日期
1941.06.17
申请号
US19340733053
申请日期
1934.06.29
申请人
ROBERTS AND SCHAEFER COMPANY
发明人
STUMP EARL
分类号
B03B4/00
主分类号
B03B4/00
代理机构
代理人
主权项
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