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发明名称
METHOD AND DEVICE FOR PREVENTING ALTERATION OF DATA IN MAGNETO-OPTICAL DISK
摘要
申请公布号
JPH04153951(A)
申请公布日期
1992.05.27
申请号
JP19900278607
申请日期
1990.10.17
申请人
RICOH CO LTD
发明人
ITO YUJI
分类号
G11B19/00;G11B19/04
主分类号
G11B19/00
代理机构
代理人
主权项
地址
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