Cherry KXN3-8451 - integrated circuit components with dates
snuci
<a rel="nofollow" class="external text" href="https://deskthority.net/wiki/File:Cherry_KXN3-8451_ICs_with_dates.jpg">Deskthority</a> (<a rel="nofollow" class="external text" href="https://deskthority.net/wiki/images/9/94/Cherry_KXN3-8451_ICs_with_dates.jpg">direct link</a>)