BS 5395-1-2000 Stairs, ladders and walkways. Code of practice for the design, construction and maintBS 5395-1-2000 Stairs, ladders and walkways. Code of practice for the design, construction and maintenance of straight stairs and winders
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。