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发明名称
REFINING LUBRICATING OIL
摘要
申请公布号
CA651421(A)
申请公布日期
1962.10.30
申请号
CAD651421
申请日期
申请人
SUN OIL COMPANY
发明人
STEWART S. KURTZ, JR.;MELVIN E. PETERKIN
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代理人
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