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经营范围
发明名称
Gas purifying method and apparatus
摘要
申请公布号
US2496380(A)
申请公布日期
1950.02.07
申请号
US19460662937
申请日期
1946.04.18
申请人
ELLIOTT COMPANY
发明人
CRAWFORD DUFFER B.
分类号
F25J3/08
主分类号
F25J3/08
代理机构
代理人
主权项
地址
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