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发明名称
FILE PROTECTING METHOD
摘要
申请公布号
JPH01248251(A)
申请公布日期
1989.10.03
申请号
JP19880074765
申请日期
1988.03.30
申请人
MITSUBISHI ELECTRIC CORP
发明人
INAMORI CHIEMI;YONEZAWA SHIGEO
分类号
G06F12/14;G06F12/00;G06F21/24
主分类号
G06F12/14
代理机构
代理人
主权项
地址
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