Federal Inventory of Swiss heritage sites of national importance ISOS Friday January 8th, 2021 / Raimund Schnürer / No Comments
Construction period of single-family dwellings Friday January 8th, 2021 / Raimund Schnürer / No Comments
Construction period of multi-family dwellings Friday January 8th, 2021 / Raimund Schnürer / No Comments