标 准 编 号:DIN 34800-2005 简体中文标题:带小凸缘的外六角驱动的螺栓和螺钉 繁体中文标题:带小凸缘的外六角驱动的螺栓和螺钉 English Name:Bolts and screws with external hexalobular driving feature with small flange ...