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发明名称
DISK CARTRIDGE
摘要
申请公布号
JPH02302978(A)
申请公布日期
1990.12.14
申请号
JP19890124078
申请日期
1989.05.17
申请人
RICOH CO LTD
发明人
SAKUYAMA HIROYUKI
分类号
G11B23/03;G11B23/033;G11B23/50
主分类号
G11B23/03
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代理人
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