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发明名称
Process of purifying insulating and lubricating oils
摘要
申请公布号
US2062933(A)
申请公布日期
1936.12.01
申请号
US19340726347
申请日期
1934.05.18
申请人
S. F. BOWSER & COMPANY, INC.
发明人
RENFREW PAUL B.
分类号
C10M175/00
主分类号
C10M175/00
代理机构
代理人
主权项
地址
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