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发明名称
PROCEDIMENTO PER LA PURIFICAZIONE DI UN MISCUGLIO DI ACIDI DI CATRAME
摘要
申请公布号
IT8348676(D0)
申请公布日期
1983.07.12
申请号
IT19830048676
申请日期
1983.07.12
申请人
KOPPERS COMPANY,INC.
发明人
LOVELL ROBERT L.
分类号
C10C1/04;C10C1/00;C10C1/20
主分类号
C10C1/04
代理机构
代理人
主权项
地址
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