Home / Standards / GB/T 9238-2010 GB/T 9238-2010 Active Symbols for balancing machines and associated instrumentation 平衡机及其仪器仪表用图形符号 Standard Type GBT ICS 21.120.40 CCS N73 Status 现行 Issue Date 2011-01-14 Implementation 2011-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会