ISO 4775-1984 Hexagon nuts for high-strength structural bolting with large width across flats - ProdISO 4775-1984 Hexagon nuts for high-strength structural bolting with large width across flats - Product grade B - Property classes 8 and 10
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。