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发明名称
PURIFICATION PROCESS
摘要
申请公布号
CA829911(A)
申请公布日期
1969.12.16
申请号
CAD829911
申请日期
申请人
CELANESE CORPORATION
发明人
JAMES P. CAVE;SAMUEL M. DORRENCE
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主分类号
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代理人
主权项
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