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发明名称
Purification of xylene-ethylbenzene mixtures
摘要
申请公布号
US2834821(A)
申请公布日期
1958.05.13
申请号
US19540438347
申请日期
1954.06.21
申请人
UNION OIL COMPANY OF CALIFORNIA
发明人
BERGSTEINSSON INGOLFUR
分类号
C07C7/148
主分类号
C07C7/148
代理机构
代理人
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