发明授权
- 专利标题: Oven heated by convection
- 专利标题(中): 烤箱通过对流加热
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申请号: US53543831申请日: 1931-05-06
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公开(公告)号: US1961143A公开(公告)日: 1934-06-05
- 发明人: GEHNRICH CHARLES L
- 申请人: GEHNRICH CHARLES L
- 专利权人: Charles L Gehnrich
- 当前专利权人: Charles L Gehnrich
- 优先权: US53543831 1931-05-06
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