标准号:BS L 172-1990
英文标准名称:Specification for extruded, rolled or cast forging stock of aluminium-zinc-magnesium-manganese-copper alloy (for manufacture of forgings to BS L 171) (Zn 5.7, Mg 2.7, Mn 0.5, Cu 0.5) (7014)
发布日期:1990/1/31 12:00:00
实施日期:1990/1/31 12:00:00
国际标准分类号:49.025.20