
Other material for pressurized water reactor nuclear power plants—Part 12: forged or rolled bars for class 1, 2, and 3 bolts and nuts
标准号:NB/T 20008.12-2010E
Other material for pressurized water reactor nuclear power plants—Part 12: forged or rolled bars for class 1, 2, and 3 bolts and nuts
标准号:NB/T 20008.12-2010E