BS 1470-1987 Specification for wrought aluminium and aluminium alloys for general engineering purposBS 1470-1987 Specification for wrought aluminium and aluminium alloys for general engineering purposes plate, sheet and strip
部份国外标准涉及版权问题,所以全部国外标准于2013年02月,全部删除!相关页面仅提供参考消息。