DB12/T 207-2004 Technical specifications for the cultivation of green peppers covered with plastic film in the open field of pollution-free agricultural products (English Version)
Tianjin Provincial Standard of the People's Republic of China
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DB12/T 207-2004
DB12/T 207-2004 history
2004DB12/T 207-2004 Technical specifications for the cultivation of green peppers covered with plastic film in the open field of pollution-free agricultural products