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经营范围
发明名称
Membrane filter holder
摘要
申请公布号
US2966234(A)
申请公布日期
1960.12.27
申请号
US19590813042
申请日期
1959.05.13
申请人
ALEXANDER NELSON E
发明人
ALEXANDER NELSON E.
分类号
B01D46/10
主分类号
B01D46/10
代理机构
代理人
主权项
地址
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