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发明名称
New active substances and process for their isolation
摘要
申请公布号
US3011948(A)
申请公布日期
1961.12.05
申请号
US19580738961
申请日期
1958.06.02
申请人
HOFFMANN-LA ROCHE INC.
发明人
GAEUMANN ERNST;HARDEGGER EMIL
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