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发明名称
Paper impregnated with potassium alum and process of impregnating
摘要
申请公布号
US2710265(A)
申请公布日期
1955.06.07
申请号
US19520288303
申请日期
1952.05.16
申请人
STRUCTURAL PAPER COMPANY
发明人
LICHTENSTEIN IMMANUEL
分类号
D21H11/04;D21H11/12;D21H11/14;D21H17/66;D21H17/68;D21H21/16;D21H21/18;D21H21/28;D21H21/34;D21H21/38;D21H23/42;D21H23/66
主分类号
D21H11/04
代理机构
代理人
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