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发明名称
DEISUKUICHIGIMEKIKO
摘要
申请公布号
JPH0247026(B2)
申请公布日期
1990.10.18
申请号
JP19810088124
申请日期
1981.06.10
申请人
HITACHI LTD
发明人
ABE MASAYUKI;IKOMA JUNICHI;ABIKO KENJI
分类号
G11B17/028
主分类号
G11B17/028
代理机构
代理人
主权项
地址
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