Since the 1973 registeredpatent to make bottles for carbonated drinks using PET, PET starts to become popular.
自1973年被专利注册于碳酸饮料瓶子应用以来,PET瓶开始流行。
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Kunz notes that Apple has registered a patent for a new kind of 3d technology that doesn't require special glasses and also allows multiple people to watch from different positions.