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经营范围
发明名称
Perfectionnements apportés aux procédés pour séparer des acides de goudron à bas points d'ébullition d'un mélange avec des huiles neutres à bas points d'ébullition
摘要
申请公布号
FR1121543(A)
申请公布日期
1956.08.20
申请号
FRD1121543
申请日期
1954.11.22
申请人
PITTSBURGH CONSOLIDATION COAL COMPANY
发明人
分类号
C10C1/18
主分类号
C10C1/18
代理机构
代理人
主权项
地址
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