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经营范围
发明名称
Vacuum distillation
摘要
申请公布号
US2221691(A)
申请公布日期
1940.11.12
申请号
US19380232157
申请日期
1938.09.28
申请人
DISTILLATION PRODUCTS INC.
发明人
HICKMAN KENNETH C.D.
分类号
B01D1/22;B01D3/12
主分类号
B01D1/22
代理机构
代理人
主权项
地址
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