标 准 编 号：DIN 7444-2009 简体中文标题：螺钉和螺母装配工具.敲击梅花扳手.技术规范 繁体中文标题：螺钉和螺母装配工具.敲击梅花扳手.技术规范 English Name：Assembly tools for screws and nuts - Slugging wrenches, box - Technical specifications ...