[elecena] SN74LS18 - zmiany ceny Układ scalony SN74LS18 - 17.02 PLN https://elecena.pl/product/241312/sn74ls18 2007-02-28 SN74LS18 - 17.01 PLN https://elecena.pl/product/241312/sn74ls18 2008-11-17 SN74LS18 - 17.15 PLN https://elecena.pl/product/241312/sn74ls18 2011-01-05 SN74LS18 - 17.01 PLN https://elecena.pl/product/241312/sn74ls18 2014-06-21