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发明名称
Fractionating tower
摘要
申请公布号
US2209675(A)
申请公布日期
1940.07.30
申请号
US19380228561
申请日期
1938.09.06
申请人
DODDS DAN L
发明人
DODDS DAN L.
分类号
B01D3/16
主分类号
B01D3/16
代理机构
代理人
主权项
地址
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