IS 7814

IS 7814 (磷青铜薄板、带材和箔 - 规范)· IS (印度) · 4 种材料

名称	材料组别
IS 7814 Grade 1	铜	chevron_right
IS 7814 Grade 2	铜	chevron_right
IS 7814 Grade 3	铜	chevron_right
IS 7814 Grade 4	铜	chevron_right