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CN115929891A
一种润滑油道和压力油道分置布局的变速箱
申请日: 2022-12-28
公开(公告)日:2023-04-07
徐州徐工传动科技有限公司
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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
