Home / Standards / GB/T 14896.4-2025 GB/T 14896.4-2025 Upcoming Non-traditional machines—Terminology—Part 4: Ultrasonic machines 特种加工机床 术语 第4部分:超声加工机床 Standard Type GBT ICS 25.080.99 CCS J59 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A