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经营范围
发明名称
Improvements in and relating to refined, mineral lubricating oils
摘要
申请公布号
GB717131(A)
申请公布日期
1954.10.20
申请号
GB19510022480
申请日期
1951.09.26
申请人
A. JOHNSON & CO.
发明人
分类号
C10M169/00
主分类号
C10M169/00
代理机构
代理人
主权项
地址
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