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经营范围
发明名称
PROCESS OF TREATING MINERAL OILS
摘要
申请公布号
CA320424(A)
申请公布日期
1932.03.08
申请号
CAD320424
申请日期
申请人
THE STANDARD OIL DEVELOPMENT COMPANY
发明人
REGINALD K. STRATFORD
分类号
主分类号
代理机构
代理人
主权项
地址
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