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发明名称
Procédé de déphénolage des lignites, schistes, calcaires bitumeux etc.
摘要
申请公布号
FR810508(A)
申请公布日期
1937.03.23
申请号
FRD810508
申请日期
1936.09.09
申请人
发明人
GEORGES POROT
分类号
C10B57/06
主分类号
C10B57/06
代理机构
代理人
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