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经营范围
发明名称
OPTISCHER KOPF.
摘要
申请公布号
DE3778670(D1)
申请公布日期
1992.06.04
申请号
DE19873778670
申请日期
1987.12.22
申请人
NEC CORP., TOKIO/TOKYO, JP
发明人
ONO, YUZO C/O NEC CORPORATION, MINATO-KU TOKYO, JP
分类号
G11B7/09;G11B7/135;(IPC1-7):G11B7/135;G11B7/12
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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