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经营范围
发明名称
Procédé de préparation d'extraits de charbon
摘要
申请公布号
FR819317(A)
申请公布日期
1937.10.14
申请号
FRD819317
申请日期
1937.03.17
申请人
GEWERKSCHAFT MATHIAS STINNES
发明人
分类号
C10G1/04
主分类号
C10G1/04
代理机构
代理人
主权项
地址
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