DIN EN ISO 13849-1:2008 机械安全.控制系统的安全相关部件.第1部分:设计用一般原理(ISO 13849-1-2006).英文版本DIN EN ISO 13849-1-2008
Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO 13849-1:2006); English version of DIN EN ISO 13849-1:2008-12