Home / Standards / GB/T 9648-1988 GB/T 9648-1988 Abolished Code for international system of units 国际单位制代码 Standard Type GBT ICS 35.040 CCS A50 Status 废止 Issue Date 1988-07-08 Implementation 1989-02-01 Responsible Dept 市场监管总局 Drafting Unit N/A