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经营范围
发明名称
Still and evaporation apparatus
摘要
申请公布号
US1971492(A)
申请公布日期
1934.08.28
申请号
US19320637067
申请日期
1932.10.10
申请人
LEA HENRY I
发明人
LEA HENRY I.
分类号
B01D3/02
主分类号
B01D3/02
代理机构
代理人
主权项
地址
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