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
CN112337506B
一种用于费托合成蜡加氢转化的催化剂及其制备方法和应用
申请日: 2020-11-12
公开(公告)日:2023-04-07
陕西延长石油(集团)有限责任公司
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