Home / Standards / GB/T 38337-2019 GB/T 38337-2019 Active General specification for ultrasonic motor and driver 超声波电动机及其驱动控制器通用技术条件 Standard Type GBT ICS 29.160.30 CCS K24 Status 现行 Issue Date 2019-12-10 Implementation 2020-07-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A