标 准 编 号：BS 1474-87 简体中文标题：一般工程用可锻铝和铝合金棒材、挤压圆管和型材规范繁体中文标题：一般工程用可锻铝和铝合金棒材、挤压圆管和型材规范 English Name：Specification for Wrought aluminium and aluminium alloys for general engineering purposes :Bars ,extruded round tubes and sections...