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经营范围
发明名称
Carbon solvent and lubricant
摘要
申请公布号
US2188645(A)
申请公布日期
1940.01.30
申请号
US19370141375
申请日期
1937.05.07
申请人
BUFFINGTON ROY L
发明人
BUFFINGTON ROY L.
分类号
C10L1/14;C10L1/16;C10L1/22;C10L10/06
主分类号
C10L1/14
代理机构
代理人
主权项
地址
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