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经营范围
发明名称
OPTICAL HEAD DEVICE
摘要
申请公布号
EP0363966(A3)
申请公布日期
1990.11.14
申请号
EP19890118992
申请日期
1989.10.12
申请人
SANYO ELECTRIC CO., LTD.
发明人
TSUJIOKA, TSUYOSHI;YAMAMOTO, SHIGEAKI;TATEZONO, FUMIO;KUME, MINORU;MATSUURA, KOTARO
分类号
G11B7/003;(IPC1-7):G11B7/00
主分类号
G11B7/003
代理机构
代理人
主权项
地址
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