thumb|Petrof Grand Piano at exhibition thumb|upright|1895 ad for Petrof pianos Petrof is a Czech piano manufacturer founded in 1864. It is a leading European piano manufacturer, exporting to more than 60 countries.
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thumb|Petrof Grand Piano at exhibition thumb|upright|1895 ad for Petrof pianos Petrof is a Czech piano manufacturer founded in 1864. It is a leading European piano manufacturer, exporting to more than 60 countries.
== History == The company was founded in 1864 in Hradec Králové, Empor Österreich, by Antonín Petrof (d. 1915), who had apprenticed at Wenes companies such as Heintzman & Co., Friedrich Ehrbar and Schweighofer.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).