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发明名称
Gas purification process
摘要
申请公布号
US2490840(A)
申请公布日期
1949.12.13
申请号
US19440544420
申请日期
1944.07.11
申请人
KOPPERS COMPANY, INCORPORATED
发明人
SHAW JOSEPH A.
分类号
B01D53/14;C10K1/08;C10K1/14;C10K1/16
主分类号
B01D53/14
代理机构
代理人
主权项
地址
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