Home / Standards / GB/T 13803.1-1999 GB/T 13803.1-1999 Active Wooden granular activated carbon for refiningof sodium glutamate 木质味精精制用颗粒活性炭 Standard Type GBT ICS 65-050 CCS B72 Status 现行 Issue Date 1999-11-10 Implementation 2000-04-01 Responsible Dept 国家林草局 Drafting Unit N/A