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发明名称
Purification of dehydroabietylamine
摘要
申请公布号
US2787637(A)
申请公布日期
1957.04.02
申请号
US19530333817
申请日期
1953.01.28
申请人
BRISTOL LABORATORIES INC.
发明人
CHENEY LEE C.
分类号
主分类号
代理机构
代理人
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