-
1.Adjustable anvil for cutting window apertures and like openings in blanks 失效
标题翻译: 用于在窗口中切割窗孔和类似开口的可调节砧座公开(公告)号:US3172321A
公开(公告)日:1965-03-09
申请号:US21800362
申请日:1962-08-20
申请人: BERKLEY MACHINE CO
发明人: ERNST SCHRADER
CPC分类号: B31B70/00 , B31B50/83 , B31B70/83 , B31B2150/00 , B31B2160/10 , B31B2160/104 , Y10S83/911 , Y10T83/207 , Y10T83/2185 , Y10T83/4838 , Y10T83/9312