Metal by using a continuous abrasive pattern etchech on No.4 items. It is usually employed for making development elements for both inside and exterior and for sash, doorways, and panels in structuresTh2 Kh? n?ng ch?ng ?n mòn c?a inox 316L – ??c ?i?m và ?ng d?ng Ch?c n?ng bình lu?n b? t?t ? Kh? n?ng ch?ng ?n mòn c?a inox 316L – ??c ?i?m và