发明授权
US1765928A Process and apparatus for producing paper sleeves and coils with reenforcements wound around 失效
用于生产缠绕有再加强的纸套筒和卷材的方法和设备

  • 专利标题: Process and apparatus for producing paper sleeves and coils with reenforcements wound around
  • 专利标题(中): 用于生产缠绕有再加强的纸套筒和卷材的方法和设备
  • 申请号: US29638628
    申请日: 1928-07-30
  • 公开(公告)号: US1765928A
    公开(公告)日: 1930-06-24
  • 发明人: CHRISTIAN MAJER
  • 申请人: CHRISTIAN MAJER
  • 专利权人: Majer Christian
  • 当前专利权人: Majer Christian
  • 优先权: DE1765928X 1926-06-25
  • 主分类号: B31C7/00
  • IPC分类号: B31C7/00
Process and apparatus for producing paper sleeves and coils with reenforcements wound around
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