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发明名称
Flotation material
摘要
申请公布号
US2128570(A)
申请公布日期
1938.08.30
申请号
US19350040929
申请日期
1935.09.17
申请人
GREAT WESTERN ELECTRO-CHEMICAL COMPANY
发明人
MACAFEE MERRILL W.
分类号
B03D1/012
主分类号
B03D1/012
代理机构
代理人
主权项
地址
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