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Special-shaped guide device for turning groove, has middle pier part located between semi-elliptical cylindrical pier body and fold line-shaped pier body, and folded corner formed with corner turning chute. 专利
申请日期: 2018-01-01, 公开日期: 2018-04-06
作者:  LIU Y GAO Q WANG D LI Y ZHANG H LIU
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/02
Bolt splint cutting plate damper, has energy-consumption steel plate formed with elliptical hole, where shapes of energy-consumption steel plate is rectangular, triangle or semi elliptic, and cushion plate fixed with cover plate. 专利
申请日期: 2015-01-01, 公开日期: 2015-03-25
作者:  DONG X OU J MA N
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/09


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