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发明名称
Porous fibers and processes of preparing same
摘要
申请公布号
US3322611(A)
申请公布日期
1967.05.30
申请号
US19620231856
申请日期
1962.10.19
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
STEVENSON HALSEY BIDWELL
分类号
D01D5/247
主分类号
D01D5/247
代理机构
代理人
主权项
地址
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