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经营范围
发明名称
Synthetic lubricating oils
摘要
申请公布号
US2030832(A)
申请公布日期
1936.02.11
申请号
US19320645240
申请日期
1932.12.01
申请人
STANDARD OIL COMPANY
发明人
MACLAREN FREDERICK H.
分类号
主分类号
代理机构
代理人
主权项
地址
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