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发明名称
Rectification
摘要
申请公布号
US2460706(A)
申请公布日期
1949.02.01
申请号
US19470749045
申请日期
1947.05.19
申请人
KURT METZNER ERNEST
发明人
METZNER ERNEST KURT
分类号
B01D3/20
主分类号
B01D3/20
代理机构
代理人
主权项
地址
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