金融界2025年5月21日消息,国家知识产权局信息显示,庆铃汽车(集团)有限公司;重庆庆铃专用汽车有限公司取得一项名为“一种翼开交换箱”的专利,授权公告号CN222886512U,申请日期为2024年03月。专利摘要显示,本实用新型属于货箱技术领域,具体公开了一种翼开交换箱,包括箱体,箱体包括多根横梁和竖梁,背门设置在箱体的其中一个侧面;翼开门,铰接在箱体上,翼开门与背门垂直设置,翼开门与箱体之间...
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