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经营范围
发明名称
Manufacture of quartenary ammonium compounds
摘要
申请公布号
GB535577(A)
申请公布日期
1941.04.15
申请号
GB19390025700
申请日期
1939.09.13
申请人
E. I. DU PONT DE NEMOURS AND CO.
发明人
分类号
主分类号
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