Home / Standards / GB/T 13803.5-1999 GB/T 13803.5-1999 Active Catalyst support activated carbon for vinylacetate synthesis 乙酸乙烯合成触媒载体活性炭 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