“The SS-KB-NT stainless-steel keyboard has been specifically designed for harsh kiosk environments where a compact width is needed to suit applications where space is limited. […] The construction is virtually vandal proof and weather proof, with wipe-clean fascias and key tops.”
Interworld Electronics via impress Watch via Linkdump
The linking page provides better pictures of it. Also showed me they have a store called Akiba in Japan, like we have.