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金融界汽车 on MSN
15 小时
杰锋汽车申请空气弹簧系统电磁阀结构专利,方便可靠实现电磁阀的 ...
金融界2025年7月18日消息,国家知识产权局信息显示,杰锋汽车动力系统股份有限公司申请一项名为“一种空气弹簧系统电磁阀结构”的专利,公开号CN120332390A,申请日期为2025年05月。
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