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经营范围
发明名称
Continuous distillation of tar
摘要
申请公布号
US2594352(A)
申请公布日期
1952.04.29
申请号
US19490117829
申请日期
1949.08.27
申请人
KOPPERS COMPANY, INC.
发明人
SCHMALENBACH ADOLF
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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