Home / Standards / GB/T 3102.2-1993 GB/T 3102.2-1993 Active Quantities and units of periodic and related pheno-mena 周期及其有关现象的量和单位 Standard Type GBT ICS N/A CCS A51 Status Active Issue Date 1993-07-01 Implementation 1994-07-01 Centralized Committee 国家标准委 Issuing Authority 国家技术监督局