发明授权
US1779295A Method of manufacturing nonmetallic gear wheels and the like 失效
制造非金属齿轮等的方法

  • 专利标题: Method of manufacturing nonmetallic gear wheels and the like
  • 专利标题(中): 制造非金属齿轮等的方法
  • 申请号: US27099528
    申请日: 1928-04-18
  • 公开(公告)号: US1779295A
    公开(公告)日: 1930-10-21
  • 发明人: SMALL GUY O
  • 申请人: GEN ELECTRIC
  • 专利权人: Gen Electric
  • 当前专利权人: Gen Electric
  • 优先权: US27099528 1928-04-18
  • 主分类号: F16H55/42
  • IPC分类号: F16H55/42
Method of manufacturing nonmetallic gear wheels and the like
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