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发明名称
Re-refining of lubricating oils
摘要
申请公布号
US3282827(A)
申请公布日期
1966.11.01
申请号
US19630315670
申请日期
1963.10.11
申请人
NORVEL COMPANY, INC.
发明人
JR. MICHAEL GRYSIAK,
分类号
C10M175/00
主分类号
C10M175/00
代理机构
代理人
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