Home / Standards / GB/T 17989.9-2022 GB/T 17989.9-2022 Active Statistical method of quality control in production process—Control charts—Part 9: Control charts for stationary processes 生产过程质量控制统计方法 控制图 第9部分:平稳过程控制图 Standard Type GBT ICS 03.120.30 CCS A41 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 国家标准委 Drafting Unit N/A