NB/T 20007.48-2017.Stainlesss steel for pressurized water reactor power plant-Part 48: Stainless steel bars for nuclear safety related equipuments fastener.NB/T 20007.48规定了安全级设备紧固件用不锈钢棒的制造、检验和验收等要求。
NB/T 20007.48适用于安全级设备紧固件用不锈钢棒。...................
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