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CN114904200B
一种用于林草火灾扑救的纳米金属氧化物基复合水溶胶灭火剂及其制备方法
申请日: 2022-06-07
公开(公告)日:2023-04-07
应急管理部四川消防研究所
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
