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发明名称
Flotation reagent
摘要
申请公布号
US2164063(A)
申请公布日期
1939.06.27
申请号
US19380194424
申请日期
1938.03.07
申请人
HANDY ROYAL S
发明人
HANDY ROYAL S.
分类号
B03D1/001
主分类号
B03D1/001
代理机构
代理人
主权项
地址
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