DB64/T 782-2012 Technical regulations for the mechanized production of ridge-planting and film-mulching potato seedlings in southern mountainous areas (English Version)
Ningxia Provincial Standard of the People's Republic of China
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DB64/T 782-2012
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2012DB64/T 782-2012 Technical regulations for the mechanized production of ridge-planting and film-mulching potato seedlings in southern mountainous areas