Home / Standards / GB/T 31970-2015 GB/T 31970-2015 Abolished Performance requirements and bench test methods for air brake caliper assemble of automobile 汽车用气压制动卡钳总成性能要求及台架试验方法 Standard Type GBT ICS 43.040.40 CCS T24 Status 废止 Issue Date 2015-09-11 Implementation 2016-01-01 Responsible Dept 工业和信息化部 Drafting Unit N/A