BS 1449-1-2-1991 which is withdrawn. The scope of this British Standard is extended to include steelBS 1449-1-2-1991 which is withdrawn. The scope of this British Standard is extended to include steels down to a thickness of 1, 2 mm
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。