Patent No. EP4268994 (titled "Refractory Plate, Method For The Production Of The Refractory Plate, Use Of The Refractory Plate, Slide Gate Valve For Controlling A Flow Of Molten Metal And Vessel For Containing Molten Metal") was filed by Refractory Intellectual Property GmbH & Co. KG on Apr 27, 2022. The application was issued on May 8, 2024.

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