同族类型
公开(公告)号/专利名称
当前申请(专利权)人
摘要附图
JP2023053579A
膜劣化判定方法及装置、加药控制方法及装置、水处理系统
申请日: 2021-10-01
公开(公告)日:2023-04-13
オルガノ株式会社
US4930427
Magnetic recording disc for computer data
申请日: 2004-10-27
公开(公告)日: 2004-10-27
Svilainis
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
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