型号或牌号
高温用锻制或轧制合金钢和不锈钢法兰、 锻制管件、 阀门和部件
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
型号或牌号
高温用锻制或轧制合金钢和不锈钢法兰、 锻制管件、 阀门和部件
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
