Home / Standards / GB/T 22261 GB/T 22261 Active Determination of virginiamycin in feeds 饲料中维吉尼亚霉素的测定 Standard Type GBT ICS 65.120 CCS B46 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委