BS 4999-147-1988 General requirements for rotating electrical machines — Part 147 Specification forBS 4999-147-1988 General requirements for rotating electrical machines — Part 147 Specification for dimensions of brushes and brush-holders for
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。