Информация о производителе
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1) Specification: 16, 18, 20, 22, 25, 38, 43, 45, 50, 60, 75R2) Steel grade: U71Mn, U71, U71Cu, U70MnSi, U71MnSiCu, BS11, UIC900A3) Technical standard: GB2585-81, BS11-85, TB/T2344-934) Typical usage: railway
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