BS A 363-2000 Bolts, with MJ threads, made of heat-resistant nickel-based alloy, strength class1 550BS A 363-2000 Bolts, with MJ threads, made of heat-resistant nickel-based alloy, strength class1 550 MPa Procurement specification
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。