标 准 编 号：DIN EN 1321-1996 简体中文标题：金属材料焊缝无损检测.接缝宏观和微观检验 繁体中文标题：金属材料焊缝无损检测.接缝宏观和微观检验 English Name：Destructive tests of welds in metallic materials - Macroscopic and microscopic examination of welds;...