发明授权
- 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
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申请号: US27099528申请日: 1928-04-18
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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
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