BS 8000-6-1990 Workmanship on building sites. Code of practice for slating and tiling of roofs and cBS 8000-6-1990 Workmanship on building sites. Code of practice for slating and tiling of roofs and claddings
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。