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发明名称
Lubricating oil
摘要
申请公布号
US2541687(A)
申请公布日期
1951.02.13
申请号
US19480056268
申请日期
1948.10.23
申请人
MONSANT CHEMICAL COMPANY
发明人
BUTLER JOHN MANN
分类号
主分类号
代理机构
代理人
主权项
地址
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