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经营范围
发明名称
Treatment of petroleum hydrocarbons
摘要
申请公布号
US2020115(A)
申请公布日期
1935.11.05
申请号
US19260089915
申请日期
1926.02.23
申请人
THE GRAY PROCESSES CORPORATION
发明人
GRAY THOMAS T.
分类号
C10G25/00
主分类号
C10G25/00
代理机构
代理人
主权项
地址
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