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发明名称
Method of purifying secondary amines
摘要
申请公布号
US2080366(A)
申请公布日期
1937.05.11
申请号
US19350057007
申请日期
1935.12.31
申请人
WINGFOOT CORPORATION
发明人
CLIFFORD ALBERT M.
分类号
主分类号
代理机构
代理人
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