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本刊讯二００一年全国石化行业科技期刊审读和优秀期刊评选工作目前揭晓:河南省参加审读和评优的三家科技期
The newsletter in 2001 the national petrochemical industry journals review and selection of outstanding journals is currently announced: Henan Province to participate in the review and evaluation of the three scientific and technological period