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经营范围
发明名称
OPTISCHE GEGEVENSPRODUKTIE-INRICHTING.
摘要
申请公布号
NL8003540(A)
申请公布日期
1980.12.30
申请号
NL19800003540
申请日期
1980.06.18
申请人
HITACHI, LTD. TE TOKIO.
发明人
分类号
G11B7/09;G11B7/12;G11B7/135;(IPC1-7):G11B7/08
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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