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青龍管業(002457.SZ):取得多項專利證書
格隆匯 11-21 16:56

格隆匯11月21日丨青龍管業(002457.SZ)公佈,公司及控股子公司甘肅青龍管業有限責任公司近日收到國家知識產權局頒發的一項發明專利證書及兩項實用新型專利證書。具體為:1.實用新型專利"一種塑料材質啞鈴樣條製作裝置",保證了動作完成的穩定性和尺寸加工的準確性,方便安全,且滿足實驗要求。2.發明專利"一種鋼筒型混凝土壓力管以及送水管道",能夠承受較高內、外壓,剛度高,不易變形,抗滲能力強,安全可靠。3.實用新型專利"一種鋼筒型防衝擊混凝土輸水管",提高了輸水管的抗滲性、密封性及內部水壓承受能力,避免施工困難。這些專利的取得有利於公司完善知識產權保護體系,提升核心競爭力。

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