DB4401/T 197-2022 Standards for the management of centralized supervision warehouses for imported frozen food to prevent and control the COVID-19 epidemic (English Version)
Guangdong Provincial Standard of the People's Republic of China
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DB4401/T 197-2022
DB4401/T 197-2022 history
2022DB4401/T 197-2022 Standards for the management of centralized supervision warehouses for imported frozen food to prevent and control the COVID-19 epidemic