[elecena] 74LS157 - zmiany ceny DM74LS157N 74LS157 - 0.89 PLN https://elecena.pl/product/493280/74ls157 2007-07-11 74LS157 - 0.99 PLN https://elecena.pl/product/493280/74ls157 2014-07-23 74LS157 - 3.50 PLN https://elecena.pl/product/493280/74ls157 2017-01-16 74LS157 - 2.00 PLN https://elecena.pl/product/493280/74ls157 2023-12-15 74LS157 - 3.50 PLN https://elecena.pl/product/493280/74ls157 2024-10-15 74LS157 - 2.00 PLN https://elecena.pl/product/493280/74ls157 2024-10-18