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发明名称
Process of converting soluble into insoluble cellulose derivatives
摘要
申请公布号
US2170017(A)
申请公布日期
1939.08.22
申请号
US19370156576
申请日期
1937.07.30
申请人
THE FIRM E. I. DU PONT DE NEMOURS & CO.
发明人
FREY WALTER;SCHWALENSTOCKER HEINZ
分类号
C08B13/00
主分类号
C08B13/00
代理机构
代理人
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地址
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