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ASTM A420 - A 420M - 24a.pdf
Designation: A420/A420M − 24aStandard Specification forPiping Fittings of Wrought Carbon Steel and Alloy Steel forL...
2026-02-05发布0 浏览7 页0 次下载222.3 KB
ASTM A420 - A 420M - 25a.pdf
Designation: A420/A420M − 25aStandard Specification forPiping Fittings of Wrought Carbon Steel and Alloy Steel forL...
2026-02-05发布0 浏览7 页0 次下载218.37 KB
ASTM A420 - A 420M - 16 rus.pdf
Обозначение: A420/A420M - 16Стандартные технические условия на трубные ф...
2025-11-12发布89 浏览8 页2 次下载376.36 KB
ASTM A420 - A 420M - 24.pdf
Designation: A420/A420M − 24Standard Specification forPiping Fittings of Wrought Carbon Steel and Alloy Steel forLo...
2025-11-12发布110 浏览7 页1 次下载239.22 KB