https://www.youworkforthem.com/font/T9086/klamp-105/

Talbot Type Klamp 105 is an elegant and streamlined, geometric sans-serif. A legible text font, its narrow proportions mean it’s economical with space; while at larger sizes it makes a confident, modern display face.Klamp 105 is available in a comprehensive family of seven weights, featuring an extended character set to include old style numerals, as well as accented characters for Central European languages. It is also available with some character variations as Klamp 205, most notably featuring a traditional, double-storey lower case a and g.