DIN ISO 6621-5-1990 内燃机.活塞环.第5部分:质量要求

标准号：DIN ISO 6621-5-1990
中文标准名称：内燃机.活塞环.第5部分:质量要求
英文标准名称：Internal combustion engines; piston rings; quality requirements; identical with ISO 6621-5:1988
标准类型：J92
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：J92
国际标准分类号：43.060.10
适用范围：The standard specifies those quality aspects which are capable of definition but not normally found on a drawing specification. The standard does not establish acceptable quality levels (AQL). It is being left to manufacturer and purchaser to decide the appropriate levels jointly.