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经营范围
发明名称
Alpha, beta'-dicyano diethyl ether
摘要
申请公布号
US2333782(A)
申请公布日期
1943.11.09
申请号
US19410388525
申请日期
1941.04.14
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
HANSLEY VIRGIL L.
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