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发明名称
Means for separating valuable minerals
摘要
申请公布号
US1938037(A)
申请公布日期
1933.12.05
申请号
US19320617628
申请日期
1932.06.16
申请人
ERNEST J. SCHABELITZ
发明人
MCADOO WILLIAM D.
分类号
B03B1/00
主分类号
B03B1/00
代理机构
代理人
主权项
地址
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