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经营范围
发明名称
Distillation of tar
摘要
申请公布号
GB318897(A)
申请公布日期
1931.03.11
申请号
GB19290027585
申请日期
1929.09.11
申请人
THE BARRETT COMPANY
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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