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发明名称
LIGHT MASKING DEVICE
摘要
申请公布号
EP0053922(B1)
申请公布日期
1985.02.20
申请号
EP19810305720
申请日期
1981.12.04
申请人
INVISIBLE OPTICS INC.
发明人
SOFTLY, PETER
分类号
G02B5/00;H01J29/89;H04N5/64;(IPC1-7):G02B5/00;H04N5/72
主分类号
G02B5/00
代理机构
代理人
主权项
地址
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