Home / Standards / GB/T 39954-2021 GB/T 39954-2021 Active Tool storage with automatic tool changer—Specification of performance test 刀库和自动交换装置 性能试验方法 Standard Type GBT ICS 25.060.99 CCS J51 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A