BS 3100-1991 Specification for steel castings for general engineering purposes. If you have an interBS 3100-1991 Specification for steel castings for general engineering purposes. If you have an interest in it,and please send mailto directly
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。