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Amazon.com: New Notebook Replacement Keyboard for Lenovo IBM Thinkpad T410 T420 X220 T510 T510i T520 T520i W510 W520 Series US Layout 42T3704 42T3737 5A702X MP-89US MP-07B83US-387 Black X220 : Electronics
Amazon.com: Compatible Laptop Keyboard Replacement for Lenovo IBM Thinkpad T400s T410s T410 T510 W510 T420 T520 T520i W520 W520i Series P/N: 45N2141 45N2071 45N2211, US Layout Black Color : Electronics