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发明名称
OPTICAL MEMORY CARD
摘要
申请公布号
JPS6476560(A)
申请公布日期
1989.03.22
申请号
JP19870232553
申请日期
1987.09.18
申请人
HITACHI LTD
发明人
MIYAZAKI TADASHI;KOYAMA KAZUHIRO;KIKUTA SHIGEO
分类号
G11B20/10;G11B7/00;G11B7/0033;G11B7/004
主分类号
G11B20/10
代理机构
代理人
主权项
地址
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