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
KR1020220147009A
手镯扣
申请日: 2022-02-22
公开(公告)日:2022-11-02
더 스와치 그룹 리서치 앤 디벨롭먼트 엘티디
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