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发明名称
CONSTANT ANGULAR VELOCITY TYPE OPTICAL DISK AND DOUBLE DENSITY RECORDING METHOD FOR CONSTANT ANGULAR VELOCITY TYPE OPTICAL DISK
摘要
申请公布号
JPH04301219(A)
申请公布日期
1992.10.23
申请号
JP19910064978
申请日期
1991.03.28
申请人
PIONEER ELECTRON CORP
发明人
YOKOGAWA FUMIHIKO
分类号
G11B7/00;G11B7/004;G11B7/007;G11B7/09;G11B21/10
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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