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isa:1221739
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As shown in FIG. 2, the telephone terminal device 1 is made up of a section including a telephone network circuit 8, a transmitter 9 and a receiver 10, and another section including a push-button dial 3, a magnetic card reader 5, a key-lamp panels 6A and 6B, a display panel 7, an input/output interface 12, a line interface 3, a memory 14 and a character generator 15, all controlled by a controller
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isap:430528296
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isa:1221739