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发明名称
Process of producing cellulose
摘要
申请公布号
US1891337(A)
申请公布日期
1932.12.20
申请号
US19300419729
申请日期
1930.01.09
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
SEAMAN STEWART ELMER
分类号
D21C3/02
主分类号
D21C3/02
代理机构
代理人
主权项
地址
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