发明名称
摘要 A barb construction for a felting needle comprising a convex arcuate spur and a bottom wall extending obliquely from the base of the spur to the outer surface of the felting needle's elongated body. The bottom wall is defined by three distinct contiguous surfaces which are centered along a line parallel to the centerline of the needle's body.
申请公布号 DE2144058(A1) 申请公布日期 1972.04.20
申请号 DE19712144058 申请日期 1971.09.02
申请人 发明人
分类号 D04H18/00 主分类号 D04H18/00
代理机构 代理人
主权项
地址