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经营范围
发明名称
Improvements in or relating to method of and apparatus for treating liquors containing tar acid
摘要
申请公布号
GB720288(A)
申请公布日期
1954.12.15
申请号
GB19510024509
申请日期
1951.10.19
申请人
KOPPERS COMPANY, INC.
发明人
分类号
C10C1/04
主分类号
C10C1/04
代理机构
代理人
主权项
地址
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