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经营范围
发明名称
OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE
摘要
申请公布号
JPS6376148(A)
申请公布日期
1988.04.06
申请号
JP19860219359
申请日期
1986.09.19
申请人
HITACHI LTD
发明人
IMAMURA OSAMU
分类号
G11B7/00;G11B7/004;G11B19/06;G11B19/28
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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