Home / Standards / GB/T 11888-2021 GB/T 11888-2021 Active Jewellery—Ring-size—Definition, measurement and designation 首饰 指环尺寸 定义、测量和命名 Standard Type GBT ICS 39.060 CCS Y88 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A