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经营范围
发明名称
Carbonisation à basse température des houilles, schistes et autres combustibles convenables, et traitement thermique des minéraux et autres aubstances convenables
摘要
申请公布号
FR690502(A)
申请公布日期
1930.09.23
申请号
FRD690502
申请日期
1930.02.24
申请人
发明人
HACKFORD JOHN EDWARD
分类号
C10B7/00
主分类号
C10B7/00
代理机构
代理人
主权项
地址
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