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发明名称
TREATMENT OF LUBRICATING OILS
摘要
申请公布号
CA624244(A)
申请公布日期
1961.07.18
申请号
CAD624244
申请日期
申请人
SHELL OIL COMPANY
发明人
RAYMOND C. ARCHIBALD
分类号
主分类号
代理机构
代理人
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