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CN115059731B
应用于风机的弹簧摆式碰撞调谐质量阻尼器及设计方法
申请日: 2022-05-19
公开(公告)日:2023-04-07
湖南大学
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Magnetic recording disc for computer data
申请日: 2004-10-27
公开(公告)日: 2004-10-27
Svilainis
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Magnetic recording disc for computer data - has sector subjected to different treatment to prevent unauthorised copying Magnetic recording disc for computer data
申请日: 2004-10-27
公开(公告)日: 2004-10-27
MICROSOFT CORPORATION
US4930427
Magnetic recording disc for computer data - has sector subjected to different treatment to prevent unauthorised copying Magnetic recording disc for computer data
申请日: 2004-10-27
公开(公告)日: 2004-10-27
MICROSOFT CORPORATION
