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经营范围
发明名称
Perfectionnements à la fabrication des esters de cellulose
摘要
申请公布号
FR801358(A)
申请公布日期
1936.08.03
申请号
FRD801358
申请日期
1936.01.28
申请人
发明人
DREYFUS HENRY
分类号
C08B3/22
主分类号
C08B3/22
代理机构
代理人
主权项
地址
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