发明名称 DEVICE FOR TAKING BEVERAGES, SUCH AS A STRAW, CUP OR THE LIKE
摘要 <p>A drinking straw which can change colour is made of a basic body material which is a mixture of a synthetic resin and an active substance which changes colour reversibly dependent on temperature. It changes its colour when it is used for taking a drink which has a different temperature from that of the room. <IMAGE></p>
申请公布号 GR3002229(T3) 申请公布日期 1992.12.30
申请号 GR19910400930T 申请日期 1991.07.02
申请人 YOSHIYUKI CORPORATION 发明人 YOSHIYUKI, HIDAWA
分类号 A47G19/22;A47G21/18;(IPC1-7):A47G21/18 主分类号 A47G19/22
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