Problem solved. The chair is norwegian by Giske Carlsen for Kleppe Møbelfabrikk in the early 70s.
It's also made in a version with crome frame! But very rare.
Thanks to Mats Linder - it seems like he knows avery thing about nowegian designers!
Visit him and see his great work
www.matslinder.no
If you need any help, please contact us at – info@designaddict.com