Original document(8 pages)  中文版
    A helmet able to generate cold and heat is composed of helmet body and power supply unit.
Application Number
申请号
200510053425 Application Date
申请日
2005.03.10
Title 名称 Helmet with powder supply for cooling and warm
Publication Number
公开号
1830341 Publication Date
公开日
2006.09.13
Approval Pub. Date Granted Pub. Date
International Classification 分类号 A42B3/00,A42B3/04
Applicant(s) Name
申请人
Ding Ye
Address 地址 100037
Inventor(s) Name 发明人
Attorney & Agent 代理人

  
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Electric watch capable of displaying prompting message before stopped
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