金融界2025年4月19日消息,国家知识产权局信息显示,中国石油化工股份有限公司、中石化(上海)石油化工研究院有限公司申请一项名为“4791.一种稠油取用装置及稠油取用方法”的专利,公开号CN119838645A,申请日期为2023年10月。专利摘要显示,本发明提供了一种稠油取用装置及稠油取用方法,属于科学实验仪器领域。所述稠油取用装置包括依次连接的加液装置、液泵、稠油釜、稠油接收容器;所述加液...
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