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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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