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发明名称
Film flotation
摘要
申请公布号
US2293469(A)
申请公布日期
1942.08.18
申请号
US19390311093
申请日期
1939.12.27
申请人
AMERICAN CYANAMID COMPANY
发明人
MAUST ERNEST J.;HOLLINGSWORTH CLINTON A.
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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