Một nông dân sáng chế ba loại máy nông nghiệp
(TPO) - Đó là anh Văn Đức Quynh, 47 tuổi, ở thôn Long Hưng, xã Hải Phú, huyện Hải Lăng, Quảng Trị. Trình độ văn hóa mới lớp 9, và chưa học qua một trường nghề nào, nhưng anh Quynh là cha đẻ của ba loại máy tẽ ngô, tuốt lạc và thái sắn.
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