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经营范围
发明名称
Flotation apparatus
摘要
申请公布号
US2304270(A)
申请公布日期
1942.12.08
申请号
US19400322864
申请日期
1940.03.08
申请人
AMERICAN CYANAMID COMPANY
发明人
MEAD HARRY L.;MAUST ERNEST J.
分类号
B03D1/16
主分类号
B03D1/16
代理机构
代理人
主权项
地址
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