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经营范围
发明名称
Gas purification process and recovery of by-products therefrom
摘要
申请公布号
US1971779(A)
申请公布日期
1934.08.28
申请号
US19320585446
申请日期
1932.01.08
申请人
THE KOPPERS COMPANY OF DELAWARE
发明人
GOLLMAR HERBERT A.
分类号
C10K1/08
主分类号
C10K1/08
代理机构
代理人
主权项
地址
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