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发明名称
QUALITY IMPROVING ADDITIVE TO LUBRICATING OILS
摘要
申请公布号
PL153581(B1)
申请公布日期
1991.05.31
申请号
PL19870274360
申请日期
1987.01.16
申请人
发明人
分类号
C10M;C10M141/08;(IPC1-7):C10M141/08
主分类号
C10M
代理机构
代理人
主权项
地址
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