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经营范围
发明名称
Lubricating oil composition
摘要
Friction of internal combustion engines is reduced by using a crankcase motor oil containing the combination of graphite and a di-lower alkyl hydrocarbyl phosphonate, e.g. dimethyloctadecylphosphonate.
申请公布号
US4228020(A)
申请公布日期
1980.10.14
申请号
US19790036074
申请日期
1979.05.04
申请人
EDWIN COOPER, INC.
发明人
PAPAY, ANDREW G.
分类号
C10M141/10;(IPC1-7):C10M1/46;C10M1/10;C10M3/40;C10M3/02
主分类号
C10M141/10
代理机构
代理人
主权项
地址
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