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经营范围
发明名称
MAGNETIC DISC DEVICE
摘要
PURPOSE:Discs are rotated for a fixed time at a speed suitable for loading at the start and are loaded during that time and when the head assumes a stable posture the speed is increased to that suitable for recording and reproducing.
申请公布号
JPS5267307(A)
申请公布日期
1977.06.03
申请号
JP19750142242
申请日期
1975.12.01
申请人
HITACHI LTD
发明人
HIRANO YOSHIYUKI;TSUTSUMI ZENJI
分类号
G11B21/12;G11B5/60
主分类号
G11B21/12
代理机构
代理人
主权项
地址
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