AS 1418.7-1999 Cranes (including hoists and winches) Part 7 Builders' hoists and associated equipmenAS 1418.7-1999 Cranes (including hoists and winches) Part 7 Builders' hoists and associated equipment
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。