[elecena] TDA8137 producent ST - zmiany ceny TDA8137 producent ST - 2.82 PLN https://elecena.pl/product/4880435/tda8137-producent-st 2014-12-19 TDA8137 producent ST - 2.83 PLN https://elecena.pl/product/4880435/tda8137-producent-st 2017-04-13 TDA8137 producent ST - 2.82 PLN https://elecena.pl/product/4880435/tda8137-producent-st 2018-05-07 TDA8137 producent ST - 2.30 PLN https://elecena.pl/product/4880435/tda8137-producent-st 2018-12-17