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经营范围
发明名称
CELLULOSIC SPONGE PROCESS
摘要
申请公布号
CA582940(A)
申请公布日期
1959.09.08
申请号
CAD582940
申请日期
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
ROBERT O. OSBORN
分类号
主分类号
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