Обозначение: A193/A193M ─ 20Стандартные технические условия на крепежны...
Designation: A193/A193M − 22aStandard Specification forAlloy-Steel and Stainless Steel Bolting for High Temperatureor...
Designation: A193/A193M − 24Standard Specification forAlloy-Steel and Stainless Steel Bolting for High Temperatureor...

