BS EN 12020-2-2008 铝及铝合金挤制合金EN AW-6060和EN AW-6063精密型

liuxilin1215 发表于 2014-7-2 06:54:06

BS EN 12020-2-2008 Aluminium and aluminium alloys — Extruded precision profiles in alloys EN AW-6060 and EN AW-6063 — Part 2: Tolerances on dimensions and form
铝及铝合金挤制合金EN AW-6060和EN AW-6063精密型材第2部分：尺寸和形状公差

admin 发表于 2014-7-2 09:46:31