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经营范围
发明名称
PHOTOMAGNETIC DISK
摘要
申请公布号
JPS6243851(A)
申请公布日期
1987.02.25
申请号
JP19850183742
申请日期
1985.08.21
申请人
SUMITOMO METAL MINING CO LTD
发明人
YOROZU KATSUHIKO;ITO MIKIHIKO;TADA JUNYA;SATO TAKEHIKO
分类号
G11B11/10;G11B11/105
主分类号
G11B11/10
代理机构
代理人
主权项
地址
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