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发明名称
Synthetic lubricants
摘要
申请公布号
GB661566(A)
申请公布日期
1951.11.21
申请号
GB19480031033
申请日期
1948.11.30
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
分类号
主分类号
代理机构
代理人
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