Home / Standards / GB/T 12902-2026 GB/T 12902-2026 Upcoming Analytical methods for turpentine 松节油分析方法 Standard Type GBT ICS 65.050 CCS B72 Status 即将实施 Issue Date 2026-02-27 Implementation 2026-09-01 Responsible Dept 国家林草局 Drafting Unit N/A