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发明名称
Flotation apparatus
摘要
申请公布号
US1847659(A)
申请公布日期
1932.03.01
申请号
US19280321789
申请日期
1928.11.26
申请人
MATLESS CELL PATENT HOLDING CORPORATION
发明人
MACLENNAN FRANK W.
分类号
B03D1/24
主分类号
B03D1/24
代理机构
代理人
主权项
地址
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