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发明名称
METHOD FOR REMOVING IMPURITIES FROM HYDROCARBONS
摘要
申请公布号
CA458109(A)
申请公布日期
1949.07.12
申请号
CAD458109
申请日期
申请人
PETROLITE CORPORATION
发明人
CLAUDIUS H. M. ROBERTS
分类号
主分类号
代理机构
代理人
主权项
地址
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