一种3D打印的复合型混凝土轨道板
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Release time:2018-06-12 Affilication of Author(s):中南大学 School Sign:中南大学 Patent Applicant:中南大学 Disigner of the Invention:祁敏, 谢绍辉, 余志武, 杨义益, 刘晓春 Type of Patent:Utility models State of Patent:Authorized patents Application Number:201721635618.0 Authorization number:201721635618.0 Number of Inventors:5 Service Invention or Not:no -
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2017216356180一种3D打印的复合型混凝土轨道板.jpg
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