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经营范围
发明名称
Treatment of cellulose derivatives
摘要
申请公布号
US2047195(A)
申请公布日期
1936.07.14
申请号
US19290403140
申请日期
1929.10.28
申请人
HENRY DREYFUS
发明人
DREYFUS HENRY
分类号
D01F2/28
主分类号
D01F2/28
代理机构
代理人
主权项
地址
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