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发明名称
Mineral concentration
摘要
申请公布号
US1996021(A)
申请公布日期
1935.03.26
申请号
US19310564252
申请日期
1931.09.21
申请人
THE AMERICAN AGRICULTURAL CHEMICAL COMPANY
发明人
KLESKY SIMON
分类号
B03D1/00
主分类号
B03D1/00
代理机构
代理人
主权项
地址
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