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WO2023057403A1
用于制造聚合物纤维的喷丝头外壳及其使用方法
申请日: 2022-10-04
公开(公告)日:2023-04-13
CYTEC INDUSTRIES INC.
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Magnetic recording disc for computer data
申请日: 2004-10-27
公开(公告)日: 2004-10-27
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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
