金融界2025年5月8日消息,国家知识产权局信息显示,东风汽车股份有限公司申请一项名为“一种测试发动机机油携带量的测试装置及测试方法”的专利,公开号CN119935558A,申请日期为2025年1月。专利摘要显示,本申请涉及一种测试发动机机油携带量的测试装置及测试方法,其包括:第一管路,所述第一管路的一端用于与发动机的输出端连通;三通控制阀,所述三通控制阀的主管口与所述第一管路的另一端连通;第二...
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