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发明名称
Improvements in and relating to the continuous distillation of coal tar
摘要
申请公布号
GB678933(A)
申请公布日期
1952.09.10
申请号
GB19490022277
申请日期
1949.08.26
申请人
ADOLF SCHMALENBACH
发明人
分类号
C10C1/04
主分类号
C10C1/04
代理机构
代理人
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