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发明名称
Material-tumbling assembly
摘要
申请公布号
US2525663(A)
申请公布日期
1950.10.10
申请号
US19470776475
申请日期
1947.09.27
申请人
THE UNITED STATES STONEWARE COMPANY
发明人
FRYE EUGENE R.
分类号
B02C17/14;B24B31/02
主分类号
B02C17/14
代理机构
代理人
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地址
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