Home / Standards / SN/T 5319-2021 SN/T 5319-2021 Active 皮革中多氯联苯的测定 气相色谱-质谱联用法 Standard Type SN ICS N/A CCS N/A Status Active Issue Date 2021-11-22 Implementation 2022-06-01 Centralized Committee 海关总署 Issuing Authority 海关总署