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发明名称
Procédé pour améliorer les huiles de graissage
摘要
申请公布号
FR827165(A)
申请公布日期
1938.04.20
申请号
FRD827165
申请日期
1937.09.27
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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