标 准 编 号：DIN 3093-1-1988 简体中文标题：铝塑性合金套筒 等壁厚椭圆管毛坯 交货技术条件繁体中文标题：铝塑性合金套筒 等壁厚椭圆管毛坯 交货技术条件English Name：Wrought aluminium alloy ferrules; tubing blanks of oval section and constant wall thickness; technical delivery conditions
