Home / Standards / GB/T 23885-2009 GB/T 23885-2009 Active Jadeite grading 翡翠分级 Standard Type GBT ICS 39.060 CCS D59 Status 现行 Issue Date 2009-06-01 Implementation 2010-03-01 Responsible Dept 自然资源部(国土) Drafting Unit N/A