Home / Standards / GB/T 37535-2019 GB/T 37535-2019 Active Requirments of steel utilization evaluate and control for shipbuilding enterprise 船舶生产企业钢材利用评价与控制要求 Standard Type GBT ICS 47.020.01 CCS U01 Status 现行 Issue Date 2019-06-04 Implementation 2020-01-01 Responsible Dept 国家标准委 Drafting Unit N/A