Home / Standards / GB/T 7442-2007 GB/T 7442-2007 Active Angle grinders 角向磨光机 Standard Type GBT ICS 25.140.20 CCS K64 Status 现行 Issue Date 2007-01-30 Implementation 2008-02-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A