DB21/T 3880-2023 Technical specifications for monitoring the main viruses carried by mosquitoes and flies in the environment of large-scale pig farms (English Version)
Liaoning Provincial Standard of the People's Republic of China
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DB21/T 3880-2023
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2023DB21/T 3880-2023 Technical specifications for monitoring the main viruses carried by mosquitoes and flies in the environment of large-scale pig farms