BS 1434-1985 Specification for copper for electrical purposes copper sections in bars, blanks and seBS 1434-1985 Specification for copper for electrical purposes copper sections in bars, blanks and segments for commutators
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。