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HP Calculator Keys' Tactile Feedback
02-12-2017, 08:53 AM
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RE: HP Calculator Keys' Tactile Feedback
Have you seen this?
http://www.keesvandersanden.nl/calculato...s_with.pdf

There is more HP patents related material on Kees' homepage:
http://www.keesvandersanden.nl/calculators/patents.php

Andi
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RE: HP Calculator Keys' Tactile Feedback - AndiGer - 02-12-2017 08:53 AM



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