Home / Standards / GB/T 14896.4-2009 GB/T 14896.4-2009 Active 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 01.040.25;25.080.99 CCS J59 Status 现行 Issue Date 2009-04-02 Implementation 2009-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A