Home / Standards / GB/T 33139-2016 GB/T 33139-2016 Active Ships and marine technology—Maintenance and testing to reduce losses in critical systems for propulsion 船舶与海上技术 减少船舶推进关键系统损失的维护与试验 Standard Type GBT ICS 47.020.20 CCS U47 Status 现行 Issue Date 2016-12-13 Implementation 2017-07-01 Responsible Dept 国家标准委 Drafting Unit N/A