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经营范围
发明名称
Process for activating cellulose bearing material preparatory to hydrolysis
摘要
申请公布号
US1828982(A)
申请公布日期
1931.10.27
申请号
US19250037350
申请日期
1925.06.15
申请人
M. M. CORY
发明人
PERL JOHN
分类号
主分类号
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