São José dos Pinhais vs Gemeinde Haag

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Orgelbau Pieringer is an Austrian organ building company based in the city of Haag in Lower Austria. The founder and owner of the company is the Haag organ builder Johann Pieringer.

Orgelbau Pieringer is a reputable organ workshop active for 25 years throughout Austria, Germany and Croatia, as well as a member of International Society of Organbuilders.

Source: Wikipedia