Nikel novdalarining ishlab chiqarish darajalari qanday?
Oct 29, 2024
Xabar QOLDIRISH
Nikel tayoqlarning ishlab chiqarish navlari qanday?
Milliy standart: N4, N5, N6, N7
Amerika standarti: N02200, N02201, NCu28-2.5-1.5, NCu40-2-1
Nikel qotishma dumaloq bar
Nikel kvadrat tayoq
