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发明名称
Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens
摘要
申请公布号
EP0996120(B1)
申请公布日期
2007.06.13
申请号
EP19980308703
申请日期
1998.10.23
申请人
SAMSUNG ELECTRONICS CO., LTD.
发明人
YOO, JANG-HOON;LEE, CHUL-WOO
分类号
G11B7/00;G11B7/135
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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