一种空心铝型材挤压模上模

• Affilication of Author(s):材料科学与工程学院
• Patent Coverage:国内
• Disigner of the Invention:刘昌棋,王火生,SHS Lin,董俊豪,梁卫抗,谢志敏,王乾廷
• Type of Patent:实用新型
• State of Patent:专利授权
• Application Number:201920301830.6
• Authorization number:9769462
• Number of Inventors:8
• Service Invention or Not:no
• Application Date:2019-03-07
• Publication Date:2019-04-07
• Authorization Date:2019-12-13