simpson http://www.simpsonltd.com/index.php?cPath=350_358&sort=2a&page=2 had allways importet a lot of old sporting rifles from sweden in the last years. so it would be possible again that your rifle was also one of the Geco(Kaba was more or less a subdivision)rifles for the swedish market. till now every rifle in 10,75x57 made between the wars had a connection with Geco.
just try it and send Simpson a mail with your gun's data and ask them if they can tell you when and from where your rifle was importet.