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经营范围
发明名称
FLOPPY DISK DRIVE
摘要
申请公布号
GB8324758(D0)
申请公布日期
1983.10.19
申请号
GB19830024758
申请日期
1983.09.15
申请人
RICOH CO LTD
发明人
分类号
G11B17/032;G11B17/04;(IPC1-7):G11B5/09
主分类号
G11B17/032
代理机构
代理人
主权项
地址
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