金融界2025年6月6日消息,国家知识产权局信息显示,北京汽车制造厂(青岛)有限公司取得一项名为“一种汽车轮胎螺母电动预紧工装”的专利,授权公告号CN222945423U,申请日期为2024年08月。专利摘要显示,本实用新型公开了一种汽车轮胎螺母电动预紧工装,其属于汽车装配技术领域。它主要包括:壳体、驱动齿轮、连动齿轮、内齿环、外齿环、紧固齿轮、紧固轴,其特征在于:所述壳体由盘体与盖板构成;所述...
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