Private company
Firma J. de Koff
Firma J. de Koff is a Dutch company.1
Firma J. de Koff was een Nederlandse orgelmakerij gevestigd in Utrecht.2 From the Dutch Wikipedia, CC BY-SA 4.0
Last updated Oct 21, 2026.
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataFirma J. de Koff on Wikidata
- 2