DIN EN 10305-1-2003 精密仪器用钢管 交货技术条件 无缝冷拔钢管 (Steel tubes for precision applications - Technical delive
标准简介
DIN EN 10305-1-2003 精密仪器用钢管 交货技术条件 无缝冷拔钢管 (Steel tubes for precision applications - Technical delivery conditions - Seamless cold drawn tubes)
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