标 准 编 号：DIN 905-2009简体中文标题：螺钉和螺母装配工具.T形扳手,内四方扳手.技术规范繁体中文标题：螺钉和螺母装配工具.T形扳手,内四方扳手.技术规范English Name：Assembly tools for screws and nuts - Tee wrenches, male square - Technical specifications...