DIN EN 10305-5-2003 精密仪器用钢管 交货技术条件 焊接和冷精加工方形及矩形钢管 (Steel tubes for precision applications - Technica
标准简介
DIN EN 10305-5-2003 精密仪器用钢管 交货技术条件 焊接和冷精加工方形及矩形钢管 (Steel tubes for precision applications - Technical delivery conditions - Welded and cold sized square and rectangular tubes)
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