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发明名称
Flotation
摘要
申请公布号
US2060815(A)
申请公布日期
1936.11.17
申请号
US19350038996
申请日期
1935.09.03
申请人
MACAFEE MERRILL W
发明人
MACAFEE MERRILL W.
分类号
B03D1/014
主分类号
B03D1/014
代理机构
代理人
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