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Giấy manh nha từ những năm trước Công nguyên và quy trình rất thô sơ. Ban đầu, người Ai Cập đã đập dẹt cây Papyrus (cây gió) bên sông Nile sau đó đan lại dùng để viết những ký tự lên đó. Nhưng việc phát minh ra giấy thực sự được công nhận vào năm […]

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