BS 1490-1988 Specification for aluminium and aluminium alloy ingots and castings for general engineBS 1490-1988 Specification for aluminium and aluminium alloy ingots and castings for general engineering purposes
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。