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经营范围
发明名称
Manufacture of cellulose
摘要
申请公布号
US2118039(A)
申请公布日期
1938.05.24
申请号
US19350016623
申请日期
1935.04.16
申请人
HENRY DREYFUS
发明人
DREYFUS HENRY
分类号
D21C9/08
主分类号
D21C9/08
代理机构
代理人
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地址
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