[elecena] 74LS139 - zmiany ceny Dual 1-Of-4 Decoder/Demultiplex.DIP16 74LS139 - 2.00 PLN https://elecena.pl/product/1091209/74ls139 2010-06-19 74LS139 - 4.00 PLN https://elecena.pl/product/1091209/74ls139 2023-04-03