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发明名称
(B2) ;METHOD OF REDUCTION OF ENGINE OIL VISCOSITY AT LOW TEMPERATURES
摘要
申请公布号
PL212945(A2)
申请公布日期
1980.01.02
申请号
PL19790212945
申请日期
1979.01.22
申请人
POLITECHNIKA SLASKA IM WINCENT
发明人
GREGOROWICZ ZBIGNIEW
分类号
C10L;(IPC1-7):C10L/
主分类号
C10L
代理机构
代理人
主权项
地址
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