AS-NZS 1252-1996 High strength steel bolts with associated nuts and washers for structural engineeriAS-NZS 1252-1996 High strength steel bolts with associated nuts and washers for structural engineering
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。