Home / Standards / GB/T 23146-2008 GB/T 23146-2008 Active Calculation of frequency of twelve-tone equal temperament and cent 十二平均律的频率与音分的计算 Standard Type GBT ICS 97.200.20 CCS Y58 Status 现行 Issue Date 2008-12-30 Implementation 2009-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A