[elecena] SN74LS247 - zmiany ceny Układ scalony SN74LS247 - 4.50 PLN https://elecena.pl/product/241110/sn74ls247 2007-02-28 SN74LS247 - 4.54 PLN https://elecena.pl/product/241110/sn74ls247 2011-01-05 SN74LS247 - 4.50 PLN https://elecena.pl/product/241110/sn74ls247 2014-06-21 SN74LS247 - 9.00 PLN https://elecena.pl/product/241110/sn74ls247 2015-06-19