[elecena] O-7X3-70-NBR - zmiany ceny Uszczelka O-ring; kauczuk NBR; Thk: 3mm; Øwewn: 7mm; czarny O-7X3-70-NBR - 0.39 PLN https://elecena.pl/product/15492267/o-7x3-70-nbr 2019-02-01 O-7X3-70-NBR - 0.49 PLN https://elecena.pl/product/15492267/o-7x3-70-nbr 2023-04-03