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经营范围
发明名称
Optischer Plattenspieler und optischer Kopf
摘要
申请公布号
DE69129616(D1)
申请公布日期
1998.07.23
申请号
DE19916029616
申请日期
1991.10.28
申请人
HITACHI, LTD., TOKIO/TOKYO, JP
发明人
SUGITA, TATSUYA, HITACHI-SHI, JP;SATO, YOSHIO, HITACHI-SHI, JP;TSUBOI, NOBUYOSHI, NAKA-GUN, IBARAKI-KEN, JP;MINEMURA, HIROYUKI, HITACHI-SHI, JP;ANDOH, HISASHI, HITACHI-SHI, JP
分类号
G11B7/0033;G11B7/0037;G11B17/04;G11B23/03;(IPC1-7):G11B7/00;G11B7/095
主分类号
G11B7/0033
代理机构
代理人
主权项
地址
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