BS 4395-3-1973 Specification for high strength friction grip bolts and associated nuts and washers fBS 4395-3-1973 Specification for high strength friction grip bolts and associated nuts and washers for structural engineering Part 3 Higher grade bolts (waisted shank), nuts and general grade washers
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。