Home / Standards / GB/T 20222-2006 GB/T 20222-2006 Abolished General technical requirements of anti-copying technical products 防复印技术产品通用技术条件 Standard Type GBT ICS 13.310 CCS A90 Status 废止 Issue Date 2006-04-05 Implementation 2006-10-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委