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经营范围
发明名称
METAL FREE LUBRICANTS
摘要
申请公布号
GB8929096(D0)
申请公布日期
1990.02.28
申请号
GB19890029096
申请日期
1989.12.22
申请人
ETHYL PETROLEUM ADDITIVES LTD
发明人
分类号
C10M141/08;C10M141/10;C10M163/00;C10N30/06;C10N30/12;C10N40/08
主分类号
C10M141/08
代理机构
代理人
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地址
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