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经营范围
发明名称
Countercurrent extraction tower
摘要
申请公布号
US2562783(A)
申请公布日期
1951.07.31
申请号
US19470787320
申请日期
1947.11.21
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
GALLO S. GEORGE;HARTVIGSEN HARMAN V.
分类号
B01D11/04
主分类号
B01D11/04
代理机构
代理人
主权项
地址
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