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经营范围
发明名称
DETECTING CIRCUIT OF FAULT OF MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPH0235385(A)
申请公布日期
1990.02.05
申请号
JP19880186230
申请日期
1988.07.25
申请人
NEC CORP
发明人
ISHIZUKA HIROMI
分类号
G01R33/12;G11B5/84
主分类号
G01R33/12
代理机构
代理人
主权项
地址
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