首页> 外国专利> electronic device for preparation for the prevention and control of the risk of road accidents attributable to the use of alcohol and / or related substances inserted within a protective helmet for motorcycle rider

electronic device for preparation for the prevention and control of the risk of road accidents attributable to the use of alcohol and / or related substances inserted within a protective helmet for motorcycle rider

机译:电子设备,用于预防和控制因在摩托车驾驶员的防护头盔中使用酒精和/或相关物质而引起的交通事故风险

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