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经营范围
发明名称
OPTICAL MASS DATA MEMORY
摘要
申请公布号
GB1507316(A)
申请公布日期
1978.04.12
申请号
GB19750013526
申请日期
1975.04.02
申请人
WESTERBERG E
发明人
分类号
G11C17/00;G02B27/00;G02F1/11;G11B7/013;G11B7/09;G11B17/00;G11C13/04;(IPC1-7):G11B7/00
主分类号
G11C17/00
代理机构
代理人
主权项
地址
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