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发明名称
REDUCING PERMEABILITY OF CARBONACEOUS ARTICLES
摘要
申请公布号
IE771953(L)
申请公布日期
1978.03.24
申请号
IE19770001953
申请日期
1977.09.23
申请人
E.I. DU PONT DE NEMOURS & CO.
发明人
分类号
C01B31/00;C08K3/00;(IPC1-7):C01B31/00
主分类号
C01B31/00
代理机构
代理人
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