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发明名称
Method of preparing and separating the cellulose material, suitable for paper-manufacturing, from plant raw material with pith fiber
摘要
申请公布号
US1818897(A)
申请公布日期
1931.08.11
申请号
US19270195583
申请日期
1927.05.31
申请人
HACHIRO KUMAGAWA;KAMAKICHI SHIMOMURA
发明人
KUMAGAWA HACHIRO;SHIMOMURA KAMAKICHI
分类号
D21B1/02
主分类号
D21B1/02
代理机构
代理人
主权项
地址
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