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经营范围
发明名称
Fractionating column
摘要
申请公布号
US2116933(A)
申请公布日期
1938.05.10
申请号
US19330689777
申请日期
1933.09.16
申请人
UNION OIL COMPANY OF CALIFORNIA
发明人
RAGATZ EDWARD G.
分类号
B01D3/22
主分类号
B01D3/22
代理机构
代理人
主权项
地址
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