BS 7884-1997 Specification for copper and copper-cadmium stranded conductors for overhead electric tBS 7884-1997 Specification for copper and copper-cadmium stranded conductors for overhead electric traction and power transmission systems
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。