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发明名称
Perfectionnements au traitement du charbon et des autres matières carbonées
摘要
申请公布号
FR686920(A)
申请公布日期
1930.08.01
申请号
FRD686920
申请日期
1929.12.18
申请人
THERMOLIZED COAL CORPORATION
发明人
分类号
C10B57/08
主分类号
C10B57/08
代理机构
代理人
主权项
地址
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