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发明名称
Lubricant
摘要
申请公布号
US2394954(A)
申请公布日期
1946.02.12
申请号
US19400370961
申请日期
1940.12.20
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
JR. WALTER T. WATKINS,
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主分类号
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