Home / Standards / GB/T 13575.2-2022 GB/T 13575.2-2022 Active Classical and narrow V-belt drives—Part 2: Effective system 普通和窄V带传动 第2部分:有效宽度制 Standard Type GBT ICS 21.220.10 CCS J18 Status 现行 Issue Date 2022-12-30 Implementation 2023-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A