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发明名称
OBJECTIVE LENS FOR READING VIDEODISCS
摘要
申请公布号
EP0014549(B1)
申请公布日期
1983.03.09
申请号
EP19800300232
申请日期
1980.01.24
申请人
DISCOVISION ASSOCIATES
发明人
MICKLESON, LEE
分类号
G02B13/24;G02B13/00;G02B21/02;G11B7/135;(IPC1-7):02B13/24;02B11/30
主分类号
G02B13/24
代理机构
代理人
主权项
地址
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