Nga phát minh giấy gói sản phẩm có thể ăn được
Nhằm nâng cao chất lượng vệ sinh an toàn thực phẩm cũng như bảo vệ môi trường, các nhà nghiên cứu đến từ Đại học Bách khoa Astrakhan của Nga...
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