DB4212/T 21-2020 Guidelines for Disinfection Techniques for Prevention and Control of Novel Coronavirus Pneumonia Epidemic Construction Sites (Trial) (English Version)
Hubei Provincial Standard of the People's Republic of China
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DB4212/T 21-2020
DB4212/T 21-2020 history
2020DB4212/T 21-2020 Guidelines for Disinfection Techniques for Prevention and Control of Novel Coronavirus Pneumonia Epidemic Construction Sites (Trial)