[elecena] TDA 4050B DIP8 IR RC PREAMPLIFIER - zmiany ceny TDA 4050B DIP8 IR RC PREAMPLIFIER TDA4050B DIP8 IR RC PREAMPLIFIER TDA 4050B DIP8 IR RC PREAMPLIFIER - 3.50 PLN https://elecena.pl/product/27924/tda-4050b-dip8-ir-rc-preamplifier 2006-10-07 TDA 4050B DIP8 IR RC PREAMPLIFIER - 3.53 PLN https://elecena.pl/product/27924/tda-4050b-dip8-ir-rc-preamplifier 2011-01-24