Home / Standards / GB/T 11361-2018 GB/T 11361-2018 Active Synchronous belt drives—Trapezoidal toothed pulleys with pitch code MXL,XXL,XL,L,H,XH and XXH 同步带传动 节距型号MXL、XXL、XL、L、H、XH和XXH梯形齿带轮 Standard Type GBT ICS 21.220.10 CCS J18 Status 现行 Issue Date 2018-12-28 Implementation 2019-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A