[elecena] AT89C2051-24PU - zmiany ceny AT89C2051-24PU - 9.00 PLN https://elecena.pl/product/1670472/at89c2051-24pu 2011-04-29 AT89C2051-24PU - 8.99 PLN https://elecena.pl/product/1670472/at89c2051-24pu 2014-07-05 AT89C2051-24PU - 9.00 PLN https://elecena.pl/product/1670472/at89c2051-24pu 2015-01-08