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经营范围
发明名称
POLARIZING ELEMENT AND OPTICAL ELEMENT, AND OPTICAL HEAD.
摘要
申请公布号
EP0608432(A4)
申请公布日期
1996.04.10
申请号
EP19930914992
申请日期
1993.07.13
申请人
SEIKO EPSON CORPORATION
发明人
TAKEKOSHI, TARO;YONEKUBO, MASATOSHI;TAKEDA, TAKASHI;ARIMURA, TOSHIO
分类号
G02B5/30;G11B7/09;G11B7/13;G11B7/135;G11B11/105;(IPC1-7):G02B5/30
主分类号
G02B5/30
代理机构
代理人
主权项
地址
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