DIN EN 10305-4-2003 精密仪器用钢管 交货技术条件 液压和气动系统用冷拔无缝钢管 Steel tubes for precision applications - Technical
标准简介
DIN EN 10305-4-2003 精密仪器用钢管 交货技术条件 液压和气动系统用冷拔无缝钢管 Steel tubes for precision applications - Technical delivery conditions - Part 4 Seamless cold drawn tubes for hydraulic and pneumatic power syst
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