一种扇形粘弹性阻尼器生产模具

• School Sign:第一单位
• Disigner of the Invention:张恒,龙海垚
• Type of Patent:国内
• State of Patent:专利授权
• Application Number:201910097633.1
• Number of Inventors:3
• Service Invention or Not:no
• Application Date:2019-01-31
• Authorization Date:2023-08-15
• First Author:longbangyun