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总结

The utility model provides a caution board including a rating plate, a luminous caution device, an acoustic caution device and a caution control unit. The utility model has the advantages that the caution board with an audible-visual device has a simple structure, and is easy to identify and available of providing caution information for the disabled by a plurality of means.


主要类别

生物医学


细分类别

医疗装置


其他

SIU Kin-wai, Michael









国家/地区

中国内地

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Business of IP Asia Forum
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