Kỹ thuật mới phát hiện tem giả
Cập nhật: 07:32 23/08/2013 GMT+7
Các nhà khoa học đã tìm ra một cách dễ dàng hơn để phát hiện những con tem giả mà không làm ảnh hưởng gì đến chúng. Đây là một tin tức tốt cho những người sưu tầm tem.
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