外观设计
- 专利标题: Keyboard support
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申请号: US4023申请日: 1987-01-16
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公开(公告)号: USD306239S公开(公告)日: 1990-02-27
- 设计人: Richard L. Watt
- 申请人: Richard L. Watt
- 申请人地址: NY Jamestown
- 专利权人: Weber-Knapp Company
- 当前专利权人: Weber-Knapp Company
- 当前专利权人地址: NY Jamestown
公开/授权文献
- US6081394A Recorded magnetization state measuring method and device 公开/授权日:2000-06-27
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