Home / Standards / GB/T 38387-2019 GB/T 38387-2019 Active Noise reduction rubber expansion joint device for bridges 桥梁橡胶降噪伸缩装置 Standard Type GBT ICS 83.140.99 CCS G47 Status 现行 Issue Date 2019-12-31 Implementation 2020-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A