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
CN115946215A
加气混凝土叠合楼板底板成型用胚体及成型方法
申请日: 2022-12-09
公开(公告)日:2023-04-11
浙江杭加泽通建筑节能新材料有限公司
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