- 专利标题: Cleaning arm for phonograph records
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申请号: US700240申请日: 1976-06-28
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公开(公告)号: USD251002S公开(公告)日: 1979-02-06
- 设计人: Masao Okada
- 申请人: Masao Okada
- 申请人地址: JPX Tokyo
- 专利权人: Excel Sound Corporation
- 当前专利权人: Excel Sound Corporation
- 当前专利权人地址: JPX Tokyo
公开/授权文献
- US5751628A Ferroelectric memory devices and method for testing them 公开/授权日:1998-05-12