ICS 03.120.30 A41 中华人民共和国国家标准 GB/T40681.6—2021 生产过程能力和性能监测统计方法 第6部分:多元正态过程能力分析 Statistical methods in monitoring process capability and performance- Part 6:Process capability statistics for characteristics following a multivariate normal distribution (ISO22514-6:2013,Statistical methods inprocessmanagement Capability and performancePart 6:Process capability statistics for characters following a multivariate normal distribution,MOD) 2021-10-11发布 2022-05-01实施 国家市场监督管理总局 发布 国家标准化管理委员会