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发明名称
OPTICAL ELEMENTS AND OPTICAL PICK-UP DEVICE COMPRISING IT
摘要
申请公布号
KR0144569(B1)
申请公布日期
1998.11.16
申请号
KR19900004358
申请日期
1990.03.30
申请人
SHARP KK.
发明人
YOSHIDA, YOSHIO;MIYAKE, TAKAHIRO;NAKADA, YASUO;KURADA, YUKIO;OGADA, NOBUO;UEYAMA, DETSUO;SATO, HIDEAKI
分类号
G02B5/18;G11B7/135;G11B11/105;(IPC1-7):G02F1/01
主分类号
G02B5/18
代理机构
代理人
主权项
地址
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