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Amazon.com: E-SDS 5 Pieces Industrial Machine Keyboard, 10in Portable 84 Keys with Touchpad and PS/2 Interface : Electronics
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Miniature Keyboard- Microcontroller-Friendly PS/2 and USB : ID 857 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Perixx PERIBOARD-409PW Wired PS2 Mini Keyboard - 12.36x5.75x0.79 inches Dimension - White - US English Layout,PB-409PWUS-11829
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Amazon.com: E-SDS Wired Machine Keyboard with Touchpad Portable Compact - PS/2 Interface : Electronics
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