Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1991
Title: Caution plate
Other Titles: 警示牌
Authors: Siu, KWM
Issue Date: 28-Nov-2007
Publisher: 中华人民共和国国家知识产权局
Source: 中国专利 ZL 200620157173.5 How to cite?
Abstract: 本实用新型为一种警示牌,包括标牌,发光警示装置,发声警示装置及警示控制单元。本实用新型的优点在于该具有声光装置的警示牌,结构简单,易于识别,并能通过多种方式为残障人士提供警示信息。
URI: http://hdl.handle.net/10397/1991
Rights: 专利权人: The Hong Kong Polytechnic University.
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