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经营范围
发明名称
Treatment of crude petroleum
摘要
申请公布号
US1868966(A)
申请公布日期
1932.07.26
申请号
US19280271090
申请日期
1928.04.18
申请人
GRAY PROCESSES CORPORATION
发明人
BROOKS BENJAMIN T.;GRAY THOMAS T.
分类号
C10G31/06
主分类号
C10G31/06
代理机构
代理人
主权项
地址
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