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经营范围
发明名称
Perfectionnements à la distillation des charbons à basse température
摘要
申请公布号
FR735557(A)
申请公布日期
1932.11.10
申请号
FRD735557
申请日期
1932.04.19
申请人
发明人
FRANCOIS CHARLES
分类号
C10B7/14
主分类号
C10B7/14
代理机构
代理人
主权项
地址
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