| http://www.w3.org/ns/prov#value | - The object of the present invention is to provide an arrangement for rendering services wherein a terminal unit as well as an access unit are safe against thefts and may not easily be abused at the same time as the device is easy to use and in the normal case do not require a double entering of codes and wherein particularly advantageous no entering or giving of codes at all is necessary to give t
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