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经营范围
发明名称
Treatment of gas
摘要
申请公布号
US2055368(A)
申请公布日期
1936.09.22
申请号
US19310557994
申请日期
1931.08.19
申请人
THE KOPPERS COMPANY OF DELAWARE
发明人
SHIVELY WALTER L.
分类号
C10K3/00
主分类号
C10K3/00
代理机构
代理人
主权项
地址
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