All I've got is this picture (never mind the labels ;D): More
(http://i.imgur.com/osRIHJ6.jpg)
There is no info on model, no photo of switches, keycaps etc. (it's AT DIN 5 keyboard).
I was able to google that SCT stands for Spring Circle Technology, and this keyboard was being shipped with their 386 desktop computers. (http://www.ebay.de/itm/Intel-386-25-Mhz-Komplett-PC-mit-Monitor-und-Tastatur-387-Koprozessor-von-SCT-/231370580528?pt=DE_Computer_Sonstige&hash=item35dec2e230&nma=true&si=T8f7TEeKtIjMwLYNjapP3tQKeZg%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557#shpCntId)
Out of pure and unquenched curiosity: what could that be? (my shot: capacitive)