BS 970-1-1991 Specification for wrought steels for mechanical and allied engineering purposes. GenerBS 970-1-1991 Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and
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。