Home / Standards / GB/T 18739-2008 GB/T 18739-2008 Active Product of geographical indication - Xuan paper 地理标志产品 宣纸 Standard Type GBT ICS 85.060 CCS Y32 Status 现行 Issue Date 2008-06-25 Implementation 2008-10-01 Responsible Dept 国家知识产权局 Drafting Unit N/A