
Welding material for pressurized water reactor nuclear power plants-Part 14: Hard facing welding consumables for class 1,2,3components
标准号:NB/T 20009.14-2013E
Welding material for pressurized water reactor nuclear power plants-Part 14: Hard facing welding consumables for class 1,2,3components
标准号:NB/T 20009.14-2013E