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经营范围
发明名称
Perfectionnements au traitement ou à la fabrication de dérivés cellulosiques
摘要
申请公布号
FR694881(A)
申请公布日期
1930.12.09
申请号
FRD694881
申请日期
1930.05.02
申请人
发明人
DREYFUS HENRY
分类号
D01F2/28;D06P3/40
主分类号
D01F2/28
代理机构
代理人
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地址
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