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发明名称
Preparation of lubricants
摘要
申请公布号
US2383495(A)
申请公布日期
1945.08.28
申请号
US19410386127
申请日期
1941.03.31
申请人
THE STANDARD OIL COMPANY
发明人
MUSSELMAN JOHN M.
分类号
主分类号
代理机构
代理人
主权项
地址
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