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经营范围
发明名称
ACCESS METHOD AND THE INFORMATION CHECKING DEVICE
摘要
申请公布号
KR940002001(B1)
申请公布日期
1994.03.12
申请号
KR19860001720
申请日期
1986.03.11
申请人
HITACHI LTD.
发明人
MAEDA, TAKESHI;KASAI, MASUO;MURAOKA, KOJI
分类号
G11B7/085;G11B21/08;(IPC1-7):G11B7/09
主分类号
G11B7/085
代理机构
代理人
主权项
地址
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