| http://www.w3.org/ns/prov#value | - Accordingly, the region A of the expansion board 7 is visually watched to recognize the information, such as a serial number or others while the expansion board 7 is connected to the personal computer. 8, whereby the information, such as a serial number or others, presented by the conduction pattern 4 on the pattern side 1 b can be read int eh personal computer 8 through the control IC 12.
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