ERIC MERTHEN armchair, "Kronsstolljen" AB Dahlns Industry, Sweden 1960 Qu Es Una Losa De Concreto. ERIC MERTHEN Armchair, "Kronsstolljen" AB Dahlns Industry, Sweden 1960. Rare model of armchair in Rosewood and Chrome. Armchair structure in good condition, the distressed leather needs to be replaced. We can reupholster it upon request. Depth : 90 cm Width : 52 cm Height : 80 cm Seat Height : 46 cm. Matching sofa of the same model available on the site. Dahlns Dalum Ftljindustri AB also known as AB Dahlns Ftljindustri was a Swedish company specializing in the manufacture of armchairs and chairs, active mainly during the 1960s. It was based in Dalum, a locality in the municipality of Ulricehamn, in Vstra Gtaland County, southwestern Sweden.