Specification for quality levels for steel valve castings 钢阀铸件的质量级规范
2.
Sampling procedures for inspection by attributes - part 4 : procedures for assessment of declared quality levels iso 2859 - 4 : 2002 计数抽样检验程序.第4部分:声明质量级的评定程序
3.
Aql sampling procedures for inspection by attributes - part 1 : sampling plans indexed by acceptable quality level for lot - by - lot inspection erratum 1 检验计数抽样规程.第1部分:分批检验时标明合格质量级
