Home / Standards / GB/T 46624.1-2025 GB/T 46624.1-2025 Active Medium-transfer units for tool interfaces—Part 1:Transfer units for hollow taper shanks in accordance with the GB/T 19449 series 工具接口的介质传输单元 第1部分:符合GB/T 19449系列的空心工具柄的传输单元 Standard Type GBT ICS 25.100.01 CCS J41 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A