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发明名称
Impregnation of porous materials
摘要
申请公布号
US2135029(A)
申请公布日期
1938.11.01
申请号
US19350032161
申请日期
1935.07.19
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
BOLLER ERNEST R.
分类号
B27K3/34
主分类号
B27K3/34
代理机构
代理人
主权项
地址
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