ifihan ọja
Ifọfọ Alapin Igbekale LileNorm: ASME B18.2.6, DIN6916 DIN7989Ipele: ASTM F436Dada: dudu, HDG
Ọja sile
DIN 6916 - 1989 Awọn apẹja Yiyipo fun Bolting Structural St.