青龍管業(002457.SZ):獲得2項實用新型專利證書
格隆匯3月7日丨青龍管業(002457.SZ)公佈,近日,公司收到中華人民共和國國家知識產權局頒發的2項實用新型專利證書,包括“一種3PE防腐鋼管噴塗裝置”及“一種3PE防腐鋼管的同心構件”。以上專利的取得,能有效提高產品生產效率,對提升產品競爭力有積極作用。
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