| http://www.w3.org/ns/prov#value | - t 20 may be configured as a unit (such as a card-type unit) that can be loaded into and unloaded from the mobile device 10, on which different RFID interfaces may be mounted. [0115] Alternatively, the recording element may be achieved by using something other than a semiconductor to achieve functions that are similar to those of the IC chip. [0116] As described above, by using the mobile device 10
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