"Zsolnay, or formally Zsolnay Porcelánmanufaktúra Zrt (Zsolnay Porcelain Manufactory Private Limited) is a Hungarian manufacturer of porcelain, tiles, and stoneware. The company introduced the eosin glazing ...
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process and pyrogranite ceramics.[clarification needed]" - (en.wikipedia.org 30.06.2020)
