Home / Standards / GB/T 28707-2012 GB/T 28707-2012 Active Disc spring supports and hangers 碟簧支吊架 Standard Type GBT ICS 21.060.60 CCS J15 Status 现行 Issue Date 2012-09-03 Implementation 2013-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会