DB37/T 1639.20-2021 Water use quotas for key industrial products in Shandong Province Part 20: Key industrial products for leather, fur, feathers and their products (English Version)
Shandong Provincial Standard of the People's Republic of China
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DB37/T 1639.20-2021
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2021DB37/T 1639.20-2021 Water use quotas for key industrial products in Shandong Province Part 20: Key industrial products for leather, fur, feathers and their products