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发明名称
Process and apparatus for refining mineral oils
摘要
申请公布号
US1940955(A)
申请公布日期
1933.12.26
申请号
US19270180728
申请日期
1927.04.04
申请人
HEAT TREATING COMPANY
发明人
LAIRD WILBUR G.
分类号
C10G9/08
主分类号
C10G9/08
代理机构
代理人
主权项
地址
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